Not quite right: never be in a position where there is no easy migration off any platform you use. Use a custom domain with ProtonMail or any other provider.

Not quite right: never be in a position where there is no easy migration off any platform you use. Use a custom domain with ProtonMail or any other provider. Frequently download email, calendar, etc. from Proton, Google, etc. There are a lot of good comments in this whole conversation about nice to have Proton improvements, but I suggest we not lose sight of the benefits of not having personal and company data in the hands of Microsoft, Google, Amazon, etc. Companies and individuals who aren’t worried about the costs and risks of the lack of privacy should not use Proton.