neither is proton mail

https://techcrunch.com/2021/09/06/protonmail-logged-ip-addre...

“Proton must comply with Swiss law. As soon as a crime is committed, privacy protections can be suspended and we’re required by Swiss law to answer requests from Swiss authorities,” he wrote.

See the problem with privacy services like proton mail, signal and tor is that their customers very often do have something to hide, and so they become a target both legally and technically. You better believe the intelligence services are so deep in those services they're having picnic on the lawn. Using them is kind of like camouflaging your body with bright neon orange fluorescent paint to hide in a crowd