I can't seem to find the source for the report about it right now, but there's literal child porn being posted to Instagram. We don't see this kind of alarmist reports about it because it is not something new, foreign and flashy for the general public. All internet platforms are susceptible to this kind of misuse. The question is what moderation tools and strategies are in place to deal with that. Then there's stuff like on TOR where CSAM was used as a basis to discredit the use of the whole technology then it turned out that the biggest repository was an FBI honey pot operation.

[–] [email protected] 10 points 1 year ago

Buried in this very report, they note that Instagram and Twitter have vastly more (self generated) child porn than the Fediverse. But that's deep into section 4, which is on page 8. No one is going to read that far into the report, they might get through the intro, which is all doom and gloom about decentralized content.