And you are here why?

Paul Graham classifies the possible Levels of Disagreement into a fairly nifty Hierarchical approach. DH0. Name-calling. This is the lowest form of disagreement, and probably also the most common. We've all seen comments like this: u r a fag!!!!!!!!!! [...] DH1. Ad Hominem. An ad hominem attack is not quite as weak as mere name-calling. It might actually carry some weight. For example, if a senator wrote an article saying senators' salaries should be increased, one could respond: Of course he would say that. He's a senator. [...] DH2. Responding to Tone. The next level up we start to see responses to the writing, rather than the writer. The lowest form of these is to disagree with the author's tone. E.g. I can't believe the author dismisses intelligent design in such a cavalier fashion. [...] DH3. Contradiction. In this stage we finally get responses to what was said, rather than how or by whom. The lowest form of response to an argument is...

You know you've got it bad when SNL is skewering your advertisements. Witness the awesomeness as Hader & Arminsen take down Verizon's 4G LTE Ads.