Why is excluding the far-right a thing associated specifically with the far-left? Would politically moderate people not also want to exclude eg. Nazis?
They do.
But I would say take a look at dating apps in California, for example, and see just how many people are telling Moderates and Independents to stay the hell away from them.
Being in the middle is great for lobbying because your ideas are bipartisan and nothing else is getting through Congress, but for real life right now, its extremes only.