Is The Web A Fireproof Library?

Russell McOrmond has An Interesting Post over on Digital Copyright Canada with a quote by by Cory Doctorow.
Doctorow says “We’ve built a fireproof library – and if that’s the only thing we remember about the dot.com revolution, then it’s been worth every penny we spent on it.”
He also says that Napster was “…at the time was [effectively] the largest library of human creativity ever assembled…”

Are file sharing networks really libraries?