Or they could just scan the songs themselves. Why bother with hashing when you have full control? This is a red herring. Since they have had the ability and in

Or they could just scan the songs themselves. Why bother with hashing when you have full control? This is a red herring. Since they have had the ability and incentive to stop music piracy that way for at least a decade, and haven't done it, that should tell you something.