One of the supposed justifications for the intellectual monopoly called copyright is that it drives creativity and culture. In the last few weeks alone we have had multiple demonstrations of why the opposite is true: copyright destroys culture, and not by accident, but wilfully. For example, the MTVNews.com site, along with its sister site CMT.com, …
because you can afford to because you already have a way to support yourself in society
also, not all creatives are idealists, so would need some form of incentive to put in the extra effort to release their work to the public