Recent testing revealed that Arch Linux, Pop!_OS, and even Nobara Linux, which is maintained by a single developer, all outstripped Windows for the performance crown on Windows-native games. The testing was run at the high-end of quality settings, and Valve's Proton was used to run Windows games on Linux.
If you’re not just being facetious, https://areweanticheatyet.com/ is a good source.
According to them ~58% of anti-cheat games work. There’s been a large uptick of anti-cheat support since the Steam Deck.
According to ProtonDB, 86% of the top 1000 games on Steam function (Silver+ rating). It’s a pretty safe bet that the most of the missing 14% is probably due to anti-cheat.
Yeah mostly just talking shit. I love my steam deck.