AI is smart enough to figure out many answers from docs or code prototypes.

Smaller fraction of novel questions are still submitted on SO, github discussion and mailing lists.

Right, there's a lot of schadenfreude about SA not being so popular and serves them right for being mean when I asked them a question... but it was also no doubt a gold mine of AI training data. Stands to reason this may be an agentic AI golding age, as future models just eating their own data.