> appeals to civility and politeness have a long and sordid history So does rejection of civility and politeness. Those who would marginalize or oppress others

> appeals to civility and politeness have a long and sordid history So does rejection of civility and politeness. Those who would marginalize or oppress others always start by placing them outside the sphere of social conventions, then complain about "political correctness" and "tone policing" when they're called on their behavior toward anyone not of their own tribe.