People who used to post gained knowledge from their profession or hobby. I don't bother posting any of that information on large sites like Reddit anymore, for various reasons but AI scraping solidified.

I'll still post on the increasingly fewer hobby message boards that are out there.

> What jobs or opportunities were people posting Reddit comments or whatever getting that are now going to AI?

Content writing, product reviews (real & fake), creative writing, customer support, photography/art to name a few off the top of my head.