artistry is inspiration, not experience.
i recall hearing a famous director (might have been lucas) tell a class of film students that because they haven't started, and everything was a blank slate, that they were far more likely to make a great film than he was at this time.
and as prior poster affirms, money = comfort, and art needs sharp edges.
it amazes me that tom waits still does it, but then again, if you listen to his lyrics (and his statements about selling songs to corporations), he obviously doesnt care at all about money
an incredible guitarist in his time, which is passed