The overwhelming majority of game reviews address the content of the games, but there are reviewers that concentrate specifically on graphics performance becaus

The overwhelming majority of game reviews address the content of the games, but there are reviewers that concentrate specifically on graphics performance because the difference between a low end and high end gaming PC can easily be $3k+, and half that is in the GPU nowadays. People use articles like this to decide what to buy to get the optimal experience in games they want to play, not which games they want to play in the first place. Alan Wake 2 merits specific consideration on this front because its system requirements seemed to suggest it wouldn't even be playable on a lot of popular configurations.