Protonmail logged IP of French activist upon order by Swiss authorities
... his alleged crime was truancy. He was a member of Youth for Climate Action in Paris, and they were using Protonmail to schedule and organize an event where they would skip school to go and protest, reported Mental Outlaw on YT. The youths were going to protest governments and corporations they believed were causing climate change.
Have you ever skipped school?
Protonmail does not have any userside/clientside encryption. Tor or mixnet would have put something between the user and Protonmail.
Mental Outlaw pointed out that although Protonmail may not comply with a request from an outside state (France, US, whoever), they could just go through Switzerland.