We all have friends who have incredibly strong opinions about incredibly trivial stuff, and the absurdity is only maximized when you just get dropped into an extremely heated debate with no context. It's hard to tell, but it feels like there's real animosity here.
Oliver Clegg's assertion isn't far off from the real world. Study anything, be it food, sports or apparently the arcane and you start to become a nauseating douche about it. People get creative with wizard stuff all the time, like this short and sweet Tumblr thread on a wizard IT guy. For a wholesome one, here's a thread about a guy's grandma who fell in love with d&d while battling cancer.
