I think that the music/video industry have abused with their prices for too long, so now that htey know we can get everything for nothing they might recconsider their policies...
i do think that p2p is a security risk but i don't think that it will dye out any time soon how could you stop it if it is not centralized and completely undepandant ? napster could be stoped 'cause it was centralized .... somting like bear share/limewire/gnutela... is user to user can the music industry enforce what ports are open on your pc? what software you are using ... doubtful