What you can do: https://www.patrick-breyer.de/en/posts/messaging-and-chat-control/#WhatYouCanDo
Contact your MEP: https://www.europarl.europa.eu/meps/en/home
Edit: Article linked is from 2002 (overview of why this legislation is bad), but it is coming up for a vote on the 19th see https://www.patrick-breyer.de/en/council-to-greenlight-chat-control-take-action-now/
Before privacy guides changed there was a spreadsheet with all providers, security details and wether or not they have ever complied to government requesting access.
If i recall correctly proton did not score very great. Disroot did very well on paper but was considered new and had yet to proof itself
Anyone know if this (updated) information still exists?