An off shot of the Fanboy
and Grammer Nazi
in that they will attack anyone that even appears to disagree with their opinion in a news article or blog posting. Their method usually involves first telling a commenter that they are an idiot or stupid, followed by an attempt to convince using facts that the News Nazi feels supports their opinion. The goal is not to prove a point, but make the other commenter look stupid even if their facts are unrelated to the article in hand. News Nazi's can be considered cousins of Trolls.
Bill there are two sides to this story. Stop being a News Nazi and listen to what they have to say.