(as an aside and having nothing to do with this particular discussion) Though I absolutely think people should try to hold themselves to the standards they espouse, failing to do so does not negate the position. I hold that taking a moral position that is opposed to ones own actions is not only admirable, but a necessary starting point (assuming the opposition is acknowledged). A great read on the topic: https://aeon.co/essays/how-often-do-ethics-professors-call-their-mothers .
