That is why the analogy of stealing does not work. With a thief, we want to know how much money he stole, and from whom. With the artist it is not how much he took and from whom, but what he did with...
I don't dare postulate about science, but I know that it takes both emotion and intellect in order for art to happen.
It is the element I miss in electronic music - no performance, no loving immersion. Maybe that is why I was never particularly drawn to electronic music.