Proton has made some statements about exiting Switzerland if these proposals become law. But who knows how long that would take and if any damage is done in the meantime.

Plus there’s other junk going on lately with Proton as a company…

Swiss law takes years — a change this big will probably go to referendum which adds a couple extra years as well. Expect this in the news for a while before anything happens.

Tuta is hardly a competitor. They don't even do PGP encrypted email.