Proton is fine if you are looking for encrypted communications between Proton / PGP users. It's important to remember it is ABSOLUTELY NOT for anonymity. In this case, a user was unmasked because Proton had their payment data. https://www.404media.co/proton-mail-helped-fbi-unmask-anonymous-stop-cop-city-protestor/
Proton Mail Helped FBI Unmask Anonymous ‘Stop Cop City’ Protester

A court record reviewed by 404 Media shows privacy-focused email provider Proton Mail handed over payment data related to a Stop Cop City email account to the Swiss government, which handed it to the FBI.

404 Media

About five years ago we learned that Proton shared the IP address associated with a French climate activist with Swiss police, who passed it along to French police.

Again, Proton is not for anonymity. https://techcrunch.com/2021/09/06/protonmail-logged-ip-address-of-french-activist-after-order-by-swiss-authorities/

ProtonMail logged IP address of French activist after order by Swiss authorities | TechCrunch

ProtonMail, a hosted email service with a focus on end-to-end encrypted communications, has been facing criticism after a police report showed that French

TechCrunch

@mshelton

Funnily enough and if my memory serves me right, Proton considered it censorship when Twitter in Brazil was shut down because Musk's Nazi platform defied Brazilian law and subsequent court orders.

Unsurprisingly, Proton's CEO is a Trump and GOP fan.