As an artist your first loyalty is to your art. Unless this is the case, you're going to be a second-rate artist. I don't mean there's never any overlap. You learn things in one area and bring them into another area. But giving a speech against racism is not the same as writing a novel. The object is very clear in the fight against racism; you have reasons why you're opposed to it. But when you're writing a novel, you don't want the reader to come out of it voting yes or no to some question. Life is more complicated than that. Reality simply consists of different points of view.