That is because it's new to gnome 49, debian and Ubuntu aren't bleeding edge to have them

Warframe is there and everything in the game can be unlocked for free, its a grindy looter shooter that rose against the odds and is a shining examplen of f2p, the story is like 11/10, it is on another level

Steamos on the steam deck is arch based, the original steam os on steam machines were Debian based

DNF is pretty good, snap i wouldn't touch with a 100 meter pole

Fedora is great, very leading edge but stable AF

If you have a steam deck, you dont need any console, if you can get a pc later on to get the high end experience do it, if you can't afford it just save the money and keep playing on the SD The SD can play on a tv or monitor, just get a dock and you are set

Just use Fedora

Just try fedora, you wont be able to go back

Just try fedora, its easy