I am in complete agreement with the broad goal he advocates:
In my world, copyright's purpose is to encourage the widest participation in culture that we can manage - that is, it should be a system that encourages the most diverse set of creators, creating the most diverse set of works, to reach the most diverse audiences as is practical.
It is well worth reading his thoughts on how he would start to get us there.
Check out the full column here:
http://www.guardian.co.uk/technology/2010/nov/23/copyright-digital-rights-cory-doctorow