Interesting thought experiment. I'm pretty centrist kind of guy, so if I set it to say 40% a whole lot of the extreme right and left zealots would go poof. Better world right there.

But I can't help think of the children. Surely the innocent/untainted babies of extremist wackos wouldn't go as well right?

So I'm stuck with this image in my head of the world being mercifully short a large number of crazy right-left nutjobs. But their helpless babies are then eaten in grisly fashion by the suddenly abandoned and starving family pets.

Ok this passes the Guro test. Let's do this.