>That seems like an insanely good opportunity for people with actual ~actuarial~ expertise to profit off any retail investors/gamblers in the market btw.
It seems overly reductionist to ascribe the essence of 4chan to this one, singular idea. For example, m00t reports that 4chan was inspired by another image board he used to frequent. It is also hardly the first or only website to have light moderation.
The AWSification of small business is going to have interesting results down the road. I couldn't imagine the hair pulling that Etsy sellers and Youtube creators must go through day-to-day. Having a monolith hand that feeds you, doesn't even perceive you, and couldn't care a bit about you dictate your financial present and future sounds unnerving.