When I got my steam deck in 2022, I prepared an SD specifically for booting windows, because I figured I might need to boot it at some point for playing a game. 1 year later, I have not once had to boot windows to play a game. Incidentally, it often was easier to get older games working on proton in Linux than it was on a modern windows system.

I am not personally playing many multiplayer games, though, but I can see how being locked out of playing a current multiplayer game with your friends would be an issue. We can only hope that kernel level anti cheat is going the way of the dodo. But from what i understand, that would in a lot of cases mean for Tim Sweeney to get off his high horse, because of EOS, no?