

Because they’re all different circumstances. If you’re fleeing from the government in your previous country, then the US is considered safe and we won’t let you in. If you’re fleeing from the US government, then the US might not be considered safe and you’d be allowed in.
There are currently several people claiming refugee status from the US that are under consideration. If the rule was a blanket “no” they would’ve been denied immediately.
They aren’t bad ideas to fascists. You just have to understand that fascists consider you tools, not as people. All their ideas will be based on that.