That’s a single post from a long, long thread (and it’s more nuanced then what you’re complaining about). There are tons of counter-examples, specifically challenging the notion that conservatism is rooted in hatefulness. Here’s one (from the thread I was talking about earlier):
Notice that it’s not critical of conservatism at all, just of support for Trump. I think you might be confusing criticism of Trump and Trump-support for criticism of conservatism as a whole.