They’ve moved to cosmic DE, which isn’t quite ready for primetime in my opinion. Best distros for gaming in my opinion would be cachy, fedora, bazzite. I use Arch, which I feel is the best choice, but not for everyone.

It’s worth the switch. Bazzite Is a solid choice. I would stay away from PopOS for now. CachyOS is a great high performance choice, especially if you have Linux experience.

If you already have arch installed, don’t worry about how hard it is to install. All done! You can also run the cachyos kennel in arch if you want

No, Arch for laptops/desktops. Debian for servers.