https://www.reddit.com/r/ProtonMail/comments/14demhj/debunking_proton_and_ciansa_fake_news/

For a while, there have been rumors alleging essentially that Proton Mail or Proton VPN are CIA/NSA honeypots. It’s an incredible claim, and while it’s generally not worth debunking conspiracy theories, this one makes it pretty easy due to how bad the claims are, so let’s do it once and for all. (…)

The one thing you can legitimately criticize Protonmail for is that they make real damn sure to let you know they also offer VPN services for a subscription and whatnot.