I'm telling you, it works like a charm. The people who are actually sensitive to how they make other people feel will respond by no longer irritating you. Plus, it can be laughed off as a joke by everyone that saw it, so they aren't embarrassed.

Oh, you want to know about the people who aren't sensitive to the feelings of others? Well, I suppose they would have something to say if they weren't so embarrassed about being admitted to the ER for serious spork injuries in various, artery-containing places.