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Actually, “ad hominem” is an ancient concept promoted by people who think you should address people’s ideas rather than their identity. If, for example, I said you sound like a privileged white woman, I would be attacking your identity, regardless of what you consider your race and gender to be. But if I note that you adhere to ideas developed by Derrick Bell, Kimberle Crenshaw, and other privileged academics at expensive private schools for the 1%, I would be providing a bit of context for your approach to justice. I’m a great fan of Malcolm X, who said, “Be peaceful, be courteous, obey the law, respect everyone; but if someone puts his hand on you, send him to the cemetery.” “Respect everyone” is excellent advice—most religions and philosophies endorse the idea—but privileged people think they’re too uncommon to treat others with common courtesy.