That used to be true a few years ago, but now games just works without any tinkering from my experience. Except some online games due to kernel level anti cheats (like Fortnite and Valorant), but I prefer single player games anyway
Yeah I've never been big on competitive multiplayer, my Halo days were mostly campaign and due to thats what my friends were playing. So linux being blocked by competitive games is a non issue for me as well