Get an email address that you own, on a domain you control. Switch to a provider that takes your money for whom you are the customer - not the product.
I did this with Fastmail and Iki.fi, a Finnish non-profit[1], who have been selling people "permanent" email addresses since 1995.
[0] https://web.archive.org/web/20171113150544/https://getstream...
Wow, didn't know this story. Imperialism at its finest from the Anglo-saxon world (well, actually started by the French with slavery but that was >200 years ago, I found way worse the decisions took 50 years ago).