This thread brings up 2 obvious points: Often minorities are treated differently [and] because of the relatively anonymous nature of the internet, it is difficult to get true demographic information or user statistics.
Isn't the whole benefit of the internet that you don't know anything about the other people and can thereby consider them on the merits of their words and actions? I'm not pre-judged by being white or male or fat (and therefore inherently "dumb and lazy") or anything else.