> Pedophiles aren't stupid
I'm not entirely convinced that's true. Facebook is a leading reporter of CSAM, much of it sent through Messenger, which only recently got E2EE, and Instagram DM, which briefly had E2EE but no longer does. If I was going to transmit something that could get me in trouble, it certainly wouldn't be via Instagram DM.
Facebook's EU CSAM report is here: https://transparency.meta.com/reports/regulatory-transparenc...
Facebook could be catching 99% of those trafficking in CSAM, or 1%, and still be the leading reporter.