> Similar to calling everyone Nazi’s and fascists who has an opposing point of view?

Well, the actual neo-Nazis do support one particular party (and it's not the Democrats); see (e.g.) Charlottesville, 2017:

* https://en.wikipedia.org/wiki/Unite_the_Right_rally

And it was (is?) official Republican strategy to court racists:

* https://en.wikipedia.org/wiki/Southern_strategy

As The Simpsons once joked “Fox News: Not Racist, But #1 With Racists”:

* https://www.nydailynews.com/2017/07/24/simpsons-creator-matt...