Jeez what an ad infested News website you have posted, OP. I would have fared better with the TLDR bot. Try harder next time instead of going for the first bad news source
If I'm gonna switch to Firefox, then I would be ditching Google entirely. Which means my email too, and I got a lot of online accounts tied to this Gmail account. So it would be very long and tedious to swap all of the online accounts I have to an email account that is not Google.
Just use Thunderbird for your mails. In the last two years I did the switch from Gmail to a paid German Mail Provider. It takes some work but it’s possible. Google reads all your mails and if I am remembering correctly even third parties are allowed to read some mails. Now gmail is my new spam address :D