They come from families, from other religions and from the outer general society. Well, we don't. Much as we would like to think of ourselves as more spiritual, enlightened, open-minded and sincere than the average guy, the fact remains that we still ARE that average guy, too. Right now, we have no where to go. We have no mediators, no facilitators and no widespread core values to depend on for conflict resolution.
Someone gets away with it, just goes away or ends up in a civil court of law.
Evolutionary change does often result from revolutions, but the cost and casualty count of a Witch War is a high price to pay. But this would have to be a community project to work. Everyone who wants to be involved would need to be heard. It will hardly happen overnight. But we can begin to do some things that may make a difference now.