Twitter and Facebook are the largest repositories of CSAM online and Governments do nothing about it except use it as an excuse to clamp down on Internet Freedoms while turning a blind eye to Oligarch Paedo-Gardens
Here's a story from a few months ago about it, and not a thing was done so here we are today with the problem getting worse.
https://futurism.com/artificial-intelligence/xai-workers-disturbing-information-grok-ai-csam