Is there any reason why he particularly makes fun of nerds/geeks?
Primarily because these are the types of people who take the subject under discussion (or Usenet in general) far too seriously, and are thus easy targets for making fun of. Reproduced below is an example of such an over-serious nerd responding to one of Shawn’s trolls. The very pedantic nature of this post makes it even funnier than the original silly troll post! “To all interested readers who are in COLA to find out about Linux: The post to which this is a response is an attempt to portray Linux in a negative manner. The poster, Mr. Grant, has no intention of assisting you with your interest in Linux. For the last few hours, Mr. Grant has been engaging in the pastime of throwing deliberately confrontational postings onto the pages of COLA. These posting are an attempt to stir up the Linux advocates who read COLA on a regular basis and have them respond in emotional arguments. Apparently, the purpose of this is to consume bandwidth and hide any real discussion of Linux by the sheer mas