The “truly braindead” approach is what countless people used to do, when you had a couple games you want to play with, but didn’t want to reboot. It used to run phenomenally well, until some companies caught up the ways of detecting it. It’s not even a circumvention method for anything. If you wanted to cheat, you could cheat anywhere.
We don’t play games on Linux to make a point. We play games on Linux because it’s the OS we use.