Protonmail is not respecting anything related with privacy of their customers, and they already gave up their user data and IP addresses to authorities in the past.
There are literally a bunch of examples when people got arrested ''thanks'' to protonmail, and they are probably just a another honeypot:
https://www.wired.com/story/protonmail-amends-policy-after-giving-up-activists-data/
https://cyberinsider.com/protonmail-discloses-user-data-leading-to-arrest-in-spain/