That's my concern. I don't like ISIS, or what they have to say, but my racist ancestors didn't like MLK, or what he had to say. Who gets to decide what is censo

That's my concern. I don't like ISIS, or what they have to say, but my racist ancestors didn't like MLK, or what he had to say. Who gets to decide what is censor-worthy and what is not? Would Civil Rights ever have worked with censorship? What about LGBQ?