Can verify some/most games using Easy Anti Cheat and all games using VAC run on Linux, using Proton.

But games using the likes of Vanguard (Riot), Javelin (EA) and Ricochet (Activision) which really mess around with your system on kernel level? Forget about it.

And maybe, just maybe, that's even good. These things are nasty and invasive, and due to how they are designed could be even used for exploits and gain low level access to your system.

Which isn't new, by the way: https://en.wikipedia.org/wiki/Sony_BMG_copy_protection_rootk...