If I have to have a PhD in some topic in order to have the right to say something about it I would have nothing to say. I do not expect that of others either. I am forgiving and I respect those who are also forgiving. In this way we can have an open conversation without fear, like old friends laughing at our similarities, differences, quirks and stupidities over a couple of pints from the cold tap at that dark dank pub on a Friday night and forget we ever had that conversation the next day after the hangover.