I think the rub is that creative things (maybe almost everything, actually) really only grow out of intrinsic motivation. For most people, money is the exact opposite of that.
Money doesn't motivate me at all. It is a means of surviving without self-sustaining. I cut my pay in half to become an automotive mechanic and it was the greatest move I ever made. I was no longer working for the dollar, I was working for the joy of fixing things. Literally overnight I became poor and happy simultaneously.