Every time Trump says something scathing and ignorant his base gets even more concentrated. Surely he loses some people on the fringe of the fringe, but those that remain become even more toxic and virulent. There are people in this country whose personal brand is being an asshole, and don’t care what people think, and don’t deserve the rest of us making excuses for them.
Stupid is one thing, but ignorant is another. Stupid can be fixed, sometimes it’s too much effort, but ignorant is applied. People chose to be ignorant. Ignorant is behavior-driven, you ignore what’s counter to your beliefs and values. Stupid is just uninformed. You can definitely be both and many are. However, there are people in this country who aren’t stupid but ignorant, they are the intellectually dishonest and much worse than the garden variety stupid.