Puppy

Tldr; the whole 6 first season they set up the table for some really juicy stuff and in the last season, some side quests were either ignored or fast-tracked to fit in 1/3 of an episode. Realistically, you had content for at least 3+ more seasons. But since GRR Martin is so slow to write his books (I don’t blame him, just pointing out the obvious), the producers of the show had to cut corner and take huge liberties that didn’t make any sense