The problem was that I underestimated just what a vast gulf of time 15,000 years is. For one I was struggling to fill in all that time with events

Then don’t fill in all that time? You can leave periods open or unmentioned, you don’t need details everywhere.

for two I realized that this knowledge preserving group would have had to existed for way longer than I was originally envisioning

Depending on your depiction of Elves the effect is the same (provided the group is Elves) because they’re often predicted as just slower/more leisurely in their approach to life (although I’m not sure what you mean by the statement in the first place, because something being older than you intended doesn’t sound like an actual problem).

Not only would they be older than the Jewish religion, they would be older than ancient Sumer. In fact you could take the entire history of the beginning of the Sumerian empire to the present day and fit it into that span of time twice over.

You could, yes. Here’s the thing: history doesn’t have to happen. You are the worldbuilder, you can easily say there was a long period of nothing at times, or a period where record-keeping gets mixed-up/distorted/unreliable (but earlier periods still manage to maintain their connection more readily, this has happened several times in real life if you care a lot about realism).

In the end I had to invent empire C, which refurbished some of empire B’s infrastructure before collapsing themselves, as the actual origin for the knowledge keepers. And even with that I still had to move the timeline up by thousands of years.

That seems entirely like a ‘you’ decision. There’s nothing here that sounds like a problem long-lived species caused. You could’ve easily just said empire B lasted longer or managed to revitalize itself temporarily (as the Roman empire did and the Byzantine empire did many, many times) or any other number of solutions like a golden age, a period of upheaval and warfare with another empire that empire B ultimately wins, or you could just leave the entire extra period of time unmentioned/undetailed. None of this seems relevant to long-lived species though, since as a long-lived species you can just drag out their periods of history (a good ruler will be a good ruler for a lot more years and their nation is more resistant to change just because people with the ability to change (or not change) things stick around longer). That would even be very realistic for a long-lived species.

The problem with that is that it would really change the dynamic of how non-elf civilizations would develop. Unless the elves are extremely insular, and even then. How do you have a plotline involving the player characters needing to delve into an ancient tomb in order to discover whether or not the current ruling family are the legitimate heirs of the kingdom when you can just ask an elf? How does the world get into that situation in the first place when you can just ask an elf?

Do you trust any old man you meet on the street? If an old WW2 veteran suddenly starts yelling about how he met Hitler and totally knows the names of every member of his administration (thereby potentially allowing you to hunt down some war criminals), do you just believe him at his word? For one, senility can affect Elves just as easily as any other race, and the effect would possibly be way worse given they can be senile for much, much longer. For two, Elves don’t necessarily have a better memory than Humans. As time marches on, their memories can distort, be forgotten, and fade. For three, hostility and lies exist. Even if your kingdom is egalitarian and mixed races, individuals have their agendas. The word of a person is extremely tenuous, and you could easily have Elves saying opposite things. One Elf says the hero is the heir to the kingdom, but also this Elf happens to be a close family friend and has been for generations. Another Elf says the hero is not the heir, but also this Elf happens to be the godfather of the person who would be king otherwise. You can include any number of Elves and just split them into factions because popularity is fallacious and not real evidence.

And, as an alternative point to your earlier point, Elves being around and supportive would mean the empire lasts longer. The conditions for major upheaval like a succession crisis would be rarer specifically because an Elf could be around to make sure there’s no issues, thus solving your issue of needing an empire C… or on the other hand an Elf could make things a lot worse if they liked and people trusted them. Elves don’t have to be good-intentioned.

And a fourth point, Elves may not care/notice at all. If the Elves are insular and live in the woods they’re extremely unlikely to bother remembering the Human king, after all he only lives like a scant 100 years at most so why even know his name? Barely an associate. Even if there’s good relations, Elves could easily see Humans as ‘all the same’ i.e. it doesn’t matter who’s in charge and they’ll just support the least-likely to cause problems (even if that happens to be the wrong heir or someone who would be bad for the humans).

I could probably think of a lot of other ways to solve these issues, but point is when worldbuilding you can solve a lot of problems with a lot of different solutions. Yes, you can just get rid of long-lived species if you like. You can also modify the world to match the fact near-immortals exist and I don’t think it’s that hard. It’s your decision, ultimately, but there’s a lot of ways to solve it.

I don’t think that necessarily takes away from the grandeur of something. If you want something truly ancient and out-of-touch, you can easily just set it 15,000 years ago instead of 1,500 and no player will bat an eye or even notice, and the elves’ lifespan gives an easy ‘this is why they remember and are still more knowledgeable with this ancient civilization than other races’.

It’s also not any less awe-inspiring to have people who lived in an important time period. We still have living veterans of WW2, and WW2 is no less important or intriguing (as evidenced by the number of historian hobbyists who love to talk about all the details of WW2).

While true, it’s stupid that things are that way. They shouldn’t be able to hide behind the idea that “we’re not responsible for what our users publish, we’re more like a public forum” while also having total ownership over that content.

I hope for your personal consistency that you then are also okay with a woman in a hijab creating educational videos for youtube.

Yeah. That’s exactly what I was saying. You are correct, I am completely okay with that.

It is absolutely not okay for a teacher to tell unasked, or to tell children about the belief system / cult they are a part of.

I disagree. It’s perfectly fine for someone to give a sort of disclaimer as to what they believe in and other things like that. The issue is when they start preaching what they believe in without warning while supposedly teaching a different subject.

I was not expecting this amount of hate over this video when I clicked on this post. The video is… normal? I don’t see issues? This whole thread seems oddly anti-military, anti-tech, and anti-Mark Rober. Like, what, is this tech going to be used to murder children more effectively than bombing a school? Even if it is, why is Mark Rober at fault and actually a phony who’s just shelling out for fame/cash? I’m genuinely curious what I’m missing here.

No?

There are crazies in every religion, and even agnostics and atheists have their fair share of crazies that go too far. It’s also not a great idea to just not expose kids to religious folk (even if that was conceivable, which it’s not given how many people are religious) and it’s not a great idea to demand they keep it private. Preaching is too far, but it’s perfectly acceptable for a teacher to tell their students what the teacher believes in and to wear iconography like a necklace of Jesus on the cross. In fact, I would much rather they be extremely public about what they believe in rather than be silent about it.

No different than someone calling a janitor a “sanitation engineer”. Fancy titles make people happy.

“sanitation engineer”

It’s commendable to be good at something that requires a lot of effort. Making a hut with your bare hands is a lot more impressive than making a hut with all the construction tools of the modern day at your disposal. However, so what? I’d still rather have a house made with modern tools because it’s cheaper and more efficient for everybody involved.

People dismiss AI art because they (correctly) see that it requires zero skill to make compared to actual art, and it has all the novelty of a block of Velveeta.

I look at art because I find it pretty, not because someone toiled over it for hours on end. Sure, I respect the artist who made it and think their effort commendable, certainly worth a sum of money, but if something is made such that the art of the craft requires less skill and time surely that is a good thing?

Novelty of the tool doesn’t matter. What’s new changes daily, and the point of a tool is not to be new but to be useful.
If you mean the art itself that is generated being samey or problematic in that sense of non-uniqueness, I disagree wholeheartedly. You can do a lot with learning models, and the sameness people perceive is from inexperienced novices dipping their hands in and flooding the ecosystem with beginner works, in much the same way DeviantArt was once flooded with drawings on the level of stick figures and box people.

If AI is no more a tool than Photoshop, go and make something in GIMP, or photoshop, or any of the dozens of drawing/art programs, from scratch. I’ll wait.

A hammer is a tool, and so is an electric jackhammer. You don’t tell a construction worker to go use a hammer when an electric jackhammer gets the job done far better and far more efficiently, and not everyone is suited to using a hammer just as not everyone is suited to using an electric jackhammer. They also have different purposes, but certainly the electric jackhammer did replace some of the uses the hammer once had, but it doesn’t make the hammer obsolete. I view learning models that generate art in the same manner as an electric jackhammer. Useful and powerful, but ultimately lacking in refinement and the work will certainly need other tools to finish the job.

This phrase of yours just doesn’t mean much. I don’t see how making something in GIMP proves anything for anyone?

Humans certainly don’t make new things out of nothing. They also take from different sources and combine them together to make something new, whether that’s direct inspiration or on a more abstract level through the brain.

Learning models aren’t generating art any more than GIMP or Photoshop is. It’s the person behind the tool that makes the art, not the tool. There’s certainly an art to prompt smithing.

I feel like a lot of people dismiss generated art simply because it’s new (and because as a byproduct is spits out dozens of junk pieces before getting anywhere good). I don’t see how it’s that different from someone using photo-editing software built with dozens of algorithms instead of a ‘pure’ drawing pad, or someone using a drawing pad instead of a pencil, or someone using a pencil instead of chalk. It’s a tool, and a great one at that in comparison to many digital tools for artists.

Yeah, as a DM if these were player characters I would be ecstatic. I always have trouble pulling creative ideas out of my players, even if those creative ideas are borrowed.