Microsoft would be digging their own grave if they did this. It would show that they have lost almost all their concern for their customers in exchange for profit. Not only that but it would give competitors an extreme advantage when it comes to marketing their next gen consoles. 'Hey kids! Would you rather buy all your games new for one time use with online verification or do you just want a disc with the data that you can share freely?' I think they are too smart to try something like this