I agree. I just hope for a world where people realize that, even if we are a collected and instinctively driven organism, we're still different from each-other, and that's no reason to belittle or berate.
Unless of course you're dealing with a megalomaniac who's desired purpose leads to the deaths of innocents, then by all means, you're more than welcome to kill that f**ker dead.
Still, physical engagements should be handled in a defensive manner, not just because someone disagrees. Let those groups you mentioned run their mouths a think they're above ignorance, our creator will take care of them when it's time.