There's a difference between downloading music (albeit illegally) and taking someone else's work and trying to pass it off as your own. When I download a Duran Duran album, I don't post it on my website and claim that I made the album and attempt to sell it as my own (as much as I wish I was Simon LeBon).

This isn't an issue of piracy -- it's an issue of plagiarism, which is quite different in my opinion.