Most Americans identify with a political party (Democrat, Republican) or a movement (progressive, conservative) with a cable network that strokes their confirmation bias (CNN/MSNBC, Fox News); and a vast network of related media and opinion leaders that wall their tribal members off from reality and make their intellectual environment a comfy 72 degrees F. And the conservatives call the progressives stupid and fascist, and the progressives call the conservatives racist and fascist.
So you think everyone is a friend or an enemy. Fine, whatever. My tribe? I’m an Angry Libertarian Gay Christian. You can be my friend if you want. Just be polite.