Like people who like these might have a very basic taste in movies, but they are real movies made by real people. Not a collection of gifable moments smashed together by an algorithm and 35 focus groups.
Also the guy's favourite movie is American psycho, I feel like you can't be an American psycho guy and make fun of fight club guys.
Honestly, I think it's that he does stuff. In the second half of the move, he's indulging his id, he's got his blood pumping doing murders and sex and sex and murders. And who hasn't imagined putting a fire axe through their coworker's head now and again? These people don't notice that everyone calls Petro Bootman the wrong name, or that his interests are a complete parody of American consumption. He has money! sex! he does violence!
And he has a great skincare routine!