"Libtard" is certainly an insult. And the other terms could be considered that as well, although maybe not as severe.

And I don't think it is okay for Americans, or anybody else, to insult you - and certainly not constantly.

And I'm with you on how Arguments can be exhaustive.

But "discussion" is kind of what Medium is about...people do have a variety of opinions, and we can post here to communicate how we see the world, and see how others see the world. Hopefully, such viewpoints are civil.