I'm not saying it's an excuse, but the people in question are supporters of women's rights and LGBTQ+ (amongst other things), but they don't believe that trump is a threat in that manner.

Humans can be pretty stupid... Yes, I'm sure most of his supporters are actually approving of his shittiness, but I also think that some people are easily misled, especially if they don't pay attention to the news or only get their news from one source.