I guess that's where I disagree. I don't feel that paying what you owe is negative reinforcement. I feel that sharers don't realize that they owe something, because that's never been discussed. My fear is that iTunes can't be sustained if the next generation refuses to pay for media. And I'm not familiar enough with today's twenty year olds to say if they would shift away from free media for the sake of the value-added services that iTunes provides.

I'm picturing a cow next to a grocery store with a sign around its neck saying, "Free Milk," with a bunch of buckets scattered by its feet. To your point, there's an age where they start going into the grocery store to buy it because its too much of a pain to get it the free way. I think this holds true until the cow becomes an automated milk vending machine, and the buckets become as good as the jugs in the store.