Ehhh, at their scale, paying humans to moderate is a tad infeasible, and ai-based moderation is very much a work in progress. For that matter, I think a lot of people would be really uncomfortable if a random human was reading the messages they sent to their mother. They could definitely do better, particularly when it comes to really widely spread stuff, but I doubt that they'll ever be able to get all objectionable content off of the site.

Wooo, the US isn't the only country with incompetent portions of its government!

TIL that carcinization applies to apples.

Comb the desert!