Yeah? Proton have always said they will comply with Swiss authorities for requests for metadata. Good luck finding any email provider that doesn't comply with it's home countries laws.

They can only reveal metadata since they keep everything encrypted, but that was enough to track down this person's Proton recovery email address? That's disconcerting.

Trying to use a commercial privacy service to threaten election officials is definitely some dumb shit though, but I bet they could have avoided that outcome with some better opsec