Most folks would still vehemently object if this was done on the basis of political party or similar, and would not seriously consider "but you wre fine when th

Most folks would still vehemently object if this was done on the basis of political party or similar, and would not seriously consider "but you wre fine when they had issues with white supremisists and Nazis!" to be a credible argument. The slippery slope concern does not seem like it would apply much here.