Can confirm, after distro hoppong through Mint, Pop!_OS, Fedora and Nobara, Nobara has been the most straight forward and least problems. And KDE has and will have better support for stuff like VRR and HDR coming soon and even a joystick calibration builtin
Proton is basically just a version of Wine but Steam has other runtime apps like Pressure Vessel that work together making the game run. Don’t know if Lutris has anything else than managing and running the apps in the Wine prefix with specified Wine version. This is as deep as my knowledge goes.
Bitwarden, Aegis (2FA app for Android), Syncthing are probably the most impactful