

Idk how they could scan e2e encrypted messages
But yeah, if they got their wish it would. More likely, signal would withdraw from Europe.
«As per its first version, all messaging software providers would be required to perform indiscriminate scanning of private messages to look for CSAM – so-called ‘client-side scanning’. The proposal was met with a strong backlash, and the European Court of Human Rights ended up banning all legal efforts to weaken encryption of secure communications in Europe.«
It says in the article