https://proton.me/about/impact
And you don't even need to be a dissident in "one of those countries". As long as Europol's arm (or some other organization that Swiss is part of) can reach you, you are not covered, as in https://restoreprivacy.com/protonmail-logs-users/
I don't have an opinion on whether this is ok or not (protecting dissidents and protecting "real" criminals), I am just sick of false advertising.
It is because of these reasons I chose Fastmail over Proton when I was looking for an alternative. The E2EE itself is almost bogus, and I would rather look for othet features that I need.