Facebook at least claims to be a leader in scanning for and detecting child sexual abuse material (CSAM) on their platform. As a result of their diligence and size Facebook reports a lot ~90+% of all CSAM reports[1]. That fact suggests that Facebook really is better than most when it comes to detecting CSAM because there is nothing inherent to Facebook that would make it a more appealing platform for CSAM than pornog…
Let the numbers speak:
4chan: 20 million visits.[1]
Pornhub: 2.8 billion visits.[2]
FB Monthly Traffic: 23 billion visits[2]
Just for fun, Netflix: 2.2 billion.
[1]https://en.wikipedia.org/wiki/4chan
[2]https://happymag.tv/turns-out-pornhub-gets-more-visitors-per...