And how do you put a special code on the discs that are already in the market? And which DVD player manufacturer do you get to go along with this? And what about players that are not 'Net connected (thus no firmware update) that would be unable to play these disks?
Lastly, why are DVDs singled out in this example? How can they claim exclusivity over books or anything else that can legally be sold on the secondary market? If I can buy a used [anything else], I can buy a used DVD.