The no-poo (no shampoo) movement is very real and definitely works for many people (dependant on hair type and oil secretions). Basically, once you stop washing away your natural oils daily, the production normalizes and then a regular rinse with water and occasionally something like diluted soap, lemon juice or apple cider vinegar.
I’ve met them, I was one, I know them. You wouldn’t know unless they told you.
Signal does not. https://signal.org/bigbrother/santa-clara-county/
Tl;dr: Signal gave the court timestamps for three out of nine phone numbers that the court demanded data on. The timestamps were the dates three phone numbers last registered their accounts with Signal. That’s it. That is all the data there was to give.
This is why I use Signal. This is why I donate monthly to Signal.