They officially supported the two largest user distros. Beyond that, there are community supported distros. I can’t imagine it would be too hard to get other supported ones on there if someone wanted to maintain it.

Looking at the thumbnail, I’m assuming they’re using the guts from a framework laptop: https://frame.work/linux

Of course, that doesn’t say anything about the display or controls, but it’s a solid maybe.

Google can use the phone number on file to text a verification code for password reset.

Dumb take. All it’s warning you is that without those, you won’t have a way to recover your account it you lose your password or if it’s hacked and someone changes it.