> who's gonna switch to this?

Scott Alexander put it very well, in describing the right-leaning Reddit clone voat.co, and its influx of new users after Reddit purged some subs:

"The moral of the story is: if you’re against witch-hunts, and you promise to found your own little utopian community where witch-hunts will never happen, your new society will end up consisting of approximately three principled civil libertarians and seven zillion witches. It will be a terrible place to live even if witch-hunts are genuinely wrong."

(from http://slatestarcodex.com/2017/05/04/getting-high-on-your-ow...)