I'm going to respond to both of your comments here since it looks like Lemmy hiccuped somehow.

There's plenty of terms off the top of my head, sheeple, orange cultists, Ya'll Qaeda, idiots, etc.

Using references to monkeys, especially in a discussion about racism doesn't need anyone to reference black people. That is the reference. Here's some good reading on the subject.

If you want to use the ancient form of it I would make sure to declare a noun as being ape-like. "Trump supporters are a bunch of scared apes."