"If Dov Hikind applied dark makeup for the purpose of a sports-themed Purim costume, completely oblivious to the humiliating and racist minstrel legacy of blackface, where in the bigger picture does the problem lie?" one has to go through insane mental gymnastics or know nothing of America to make a statement like Dov Hikind doesn't know blackface is offensive. As an elected official in NYC the only thing Hikind didn't know is that the world would see him in blackface. He might not have intended to be racist, but he knew full well that dressing up in blackface is racist.
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from the article: Blackface on Purim: Is anybody listening?