>Was not Einstein, or Marie Curie, creative even though they were being paid? <

Hi belMarduk,
I expected exactly this sort of reaction! I agree about the reverse snobism. Alas this is rather widespread in Europe. Biographies of Einstein and Marie Curie (besides van Gogh etc) never omit to mention the material hardship suffered by these paradigms of creativity! And if an artist is known to make money with his works, suspicion mounts as to his/her true creativity. This even extended to Charlie Chaplin, when he came back to Europe. Last Sunday I visited an exhibition of works by Andy Warhol near my home. The commentary provided stressed that he was a "commercial artist".
Of course, like with all generalizations about regional differences, you can always find exceptions.