Another reason why nerd groups are ostracized is envy. In the ocean of boredom that is high school, one group manages to create an island of fantasy and computer programming. While everyone is marred by memorization and popularity contests, one group is having a blast killing imaginary monsters with throws of D20s. That is certainly to be treated with envy.
I hate to break it to you, but no one envied the nerds and D&D kids in high school. No one wanted to be one of the deviant outcasts who spent their time in the basement rather than having a normal social life with status and friends and sex. It's only been relatively recently, with the popularity of the web, that many aspects of former "nerd" culture such as anime and D&D (and of course, using a computer to begin wit…
I say envy because there was always one or two popular ones that would circle around us just a bit closer, curious about what could be so fun about those maps and dices and lines of code. A few came close enough to fall in our gravity well. This was all at a time when computers were solely used to type your assignments on.