KYC won't work on anything related to sex work, and most of the people uploading videos to these websites are semi-professionalized to sex work now. KYC doesn't work because sex work is largely illegal in most countries or states/provinces.

> The point is not to build a totalitarian internet with one world government user registration: it's to correlate accountability with scale.

You can already do this with PGP. You'd just need an operator/vendor who values confidentiality but also can handle the overhead of managing identities from a systematic viewpoint.