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 it.
I don't dare postulate about science but I know that it takes both emotion...
People look at me and they go 'You're white you're smart you must have...
In politics as in religion it is equally absurd to aim at making proselytes by fire and sword. Heresies in either can rarely be cured by persecution.