of course its not all games, but it becomes significantly more messy for the reviewer to test it becuase you start getting anomolous data based on a decision made in advance.

also its a phoronix review, and last I recall, raytracing is spotty on linux and dependant if it uses wine or not. in the case for liek cyberpunk it does, but if a game doesnt natively have raytracing, its uses are more mixed