The Condemnation Game
Ned Beatty in "Network" pretty much nailed what we are seeing more frequently in this country.
Disagree with a point of view? Shout it down.
Don't like a law passed by a state? Boycott them.
Don't assume that they simply have a different opinion on a complicated subject. Proclaim that they are evil.
Don't use reason, use coercion.
Because your side, of course, is pure.