While it's really sad that many lost their jobs breeding horses when automobiles were invented, it was a total net positive to humanity. You can't ignore one of the sides.
While it's sad that some artists may lose their jobs when their cd is pirated. While is true that some potential artists may not have enough incentive to create. You cannot ignore that art will never cease to exist simply because of piracy. You can't ignore that sharing, remixing and freedom to fork and improve the work of others, do have a positive impact in the quality of arts. you cannot deny that better, drm free distribution models are many times a better experience for consumers.
So is it a net benefit at the end of the day? Ill save my opinion, but please do consider both sides of the coin, instead of blindly citing a few of the arguments for one side while ignoring the other.