Until we realize that we have the ability to create a system where our artists will be compensated in a copyright free world, we will always have copyright.
I'm actually right in the middle of reading free culture. Lessig was the lawyer who represented Eldred in Eldred Vs. Ashcroft, Eldred was selling public domain books that were suddenly not in the public domain anymore after Congress enacted the Copyright Extension Act in 1998. Eldred continued to sell his books.
http://www.feedbooks.com/book/2750/free-culture