Has anyone ever noticed that if you take the moral high ground you don’t have to apologize or explain? And if you attack the other person vigorously enough there is always the chance that neither they, nor any onlookers, will perceive that you are just as wrong as anyone else. A useful tool for our controversial toolbox. Of course, there are ways to do it: you can pull age, rank, popularity, credentials, etc. It works because there is a real legitimacy to at least some of those items; but it is a real legitimacy that is prostituted in the service of avoiding the embarrassing conclusion that in spite of all those qualifications, you acted like a jerk or a weasel.