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.
Well since it’s slower that just means it’s being more careful and not prone to making mistakes
Open your source and prove that or else we know you’re lying.