Rollllleyes
Edit: no it's fine, send all these folks to 4chan or the dark web and they can cheer on the next Christchurch shooter or whatever. That sounds like a great idea.
Eh, no. The reason The_Donald is as big as it is is because reddit provides an environment that is conducive to building mini-forums. I'm sure some of them would rebuild elsewhere, but it would never be as big as it once was. Probably not even close. And if it's on the dark web, it'll be far, far smaller. TOR is slow and an enigma to most people.