I wasn't actually trying to refute anything, sorry if it came across that way.
It was two separate things.
First I wanted to know what you found offensive, and you answered.
My second comment was more of a broad statement that a movement like MAGA that is itself intentionally pejorative and bigoted towards so many others in society (evidence of this is widely available) can certainly take some name-calling without crying foul.
It had nothing to do with your sensibilities or your right to be offended by said name calling. But I wasn't clear about it I guess.