25 yo software developer. Admin of lemy.lol instance.
I never seen Google removing accounts. Nor Proton Mail.
I don’t care about downvotes. If I claim an email address there and can’t use it after 6 months, that service is shit. What if I used that email in critical service I needed? At least remove mails but let me use the email. Right now it just like a paywalled blog article.
If free plan is not affordable for your service, just don’t let people to that plan.
It’s cool but without legacy support, there’s no way mainstream attention. Do what Tutanota does, encrypt whenever possible.