And they all think about the law, and how hard they will be impacted if it turns out there's too much non-consentual or illegal / underage content on their website.

Pornhub did a panic delete when the credit card companies withdrew because they realized three quarters of the content on their website may have been uploaded non-consentually - or at least, they didn't know there was consent involved. Revenge porn is a big issue, and will be even more now that everyone has an internet connected camera phone from a young age.

And this is the public internet; on top of that is the peer-to-peer internet of whatsapp, telegram etc, and the dark web of tor and co.