The thing about chat control / upload filters / client side scanning, whatever it's being called now; They are responses to an old generation of technology - one of an internet governed by centralized corporations.

Anonymous, peer to peer, file sharing exists. No centralized place to subvert - except the software running locally. Imperfect now, but intrinsically extant.

What proponents of these laws really want is to roll back the clock; something that is, fundamentally, not possible.