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.
You’ve linked to their anti cheat which they also offer but it’s not their main product. Funny that you missed that, given that you were already on their web site and https://irdeto.com/denuvo/ spells out “Anti-Piracy technology” in huge font:
being sincere I just searched for denuvo anticheat to see if it was called like that.