The only possible advantage I can see with DD only now is being able to download games the day it releases. But even that is short lived advantage. I...
As long as you can play the games that don't require always online connectivity, offline, then it's fine. Many people will always have their consoles...
You can't do anything with a social security number. You can, with credit card info make fraudulent charges. You can, with an address, go to someone's house and slice them.