The desire to judge people harshly without ever meeting them is a constant throb. And the easiest way to go about doing this is to be an awful nerd and classify people using an RPG system. If you've ever felt the need to justify the existence of an ex-girlfriend's new boyfriend, you understand the process of rating someone's attributes based on what they may lack according to a complex system of Rock-Paper-Scissors idiot logic.
He's skinny? Well, he must shit himself whenever he's within a whiff of a squat rack. He has big biceps? His reading skills must be around a second grade level, which means that he'll be too confused and frustrated to beat me up when he tries to decipher the insult in the first half of this sentence's hieroglyphics. Another thing terrible nerds love to do is make distinctions between what particular obsessions can be "nerdy" or not. It's something like this that forces internet users to vomit uncontrollably whenever they see a picture of a girl holding a Game Boy, and leads an entire nation's worth of writers to come up with different ways to type "People are people too."
What, did you find a game about buying clothes? EAT STEREOTYPE!
At a weird point in the annals of human existence, it was decided that a fanatical argument about the pros and cons of Marvel and DC comics was trendy, but unless you were in a particular circle, the same fervor being added to a discussion about weightlifting was what cavemen did before they contracted nightclub bathroom syphilis. It's why, whenever a major sporting event occurs, you see a thousand memes, each one telling you that A) your friends have abominable senses of humor, and B) sports are for the simple-minded. You know, lesser folk who like to throw and catch balls, because being talented physically means having a mental handicap when it comes to enjoying actual exciting shit, like writing Facebook statuses about activities you know little of.