Out among the stars lay a massive body of knowledge, some of it an extension of what mankind knew, some of it concerning matters which Man had not yet suspected, and used in ways and for purposes that Man had not as yet imagined. And never might imagine, if left on his own. Clifford D. Simak
If you're Stephen King and you have a massive body of huge-selling well-respected work, you can pivot and do whatever you want. I don't have that body of work, I don't have that audience that's comfortable with me enough yet to follow my bliss with me. Seth Grahame-Smith