I've spent too many hours there myself, but I haven't seen any AI CSAM, and it's been many years since I witnessed trolls posting the real thing. Moderation (or maybe automated systems) got a lot better at catching that.

Now, if you meant gross cartoons, yes, those get posted daily. But there are no children being abused by the creation or sharing of those images, and conflating the two types of image is dishonest.