Email is not secure. Stories like this are good though. I think Proton is misunderstood. No one is going to jail for you. If you think they will you are kidding yourself. IMO proton is fine but you need to understand what its good for. 

kepford

Bell_curve

privacy

Proton Mail Discloses User Data Leading to Arrest in Spain

sefiro

This isnt the first time. Sometimes I think about switching to Tutanota, but that might be more of the same. I actually did a post comparing the two on here a LONG time ago, I think. 