People listen to songs on the radio and then buy the recording so that they can play higher-quality versions of their preferred songs on demand.
Nobody rationally torrents a CD rip and then goes to the store to buy the real version.
Further evidence of Duritz naivete: they're releasing a 4-song teaser of their new album on BitTorrent. Exactly what is the advantage of holding back tracks in their official release? It is utterly, absolutely inevitable that high-fidelity versions of all their tracks will be on BitTorrent moments after they become available in any form. Partial teaser releases are a pantomimed form of control and a waste of time. If you believe P2P sharing is a real business benefit, you embrace it for real.