I took the references to the "notebook and disks" in the critical section of that interview to be implication of physical disc trading/lending but I understand what you're saying.
"Give your family access to your entire games library anytime, anywhere: Xbox One will enable new forms of access for families. Up to ten members of your family can log in and play from your shared games library on any Xbox One. Just like today, a family member can play your copy of Forza Motorsport at a friend’s house. Only now, they will see not just Forza, but all of your shared games. You can always play your games, and any one of your family members can be playing from your shared library at a given time."
Still. I mean, this is what they published to the world as their official feature list: http://webcache.googleusercontent.com/search?q=cache:s-KgYAn... before they published the update in response to the butthurt backlash.
"Give your family access to your entire games library anytime, anywhere: Xbox One will enable new forms of access for families. Up to ten members of your family can log in and play from your shared games library on any Xbox One. Just like today, a family member can play your copy of Forza Motorsport at a friend’s house. Only now, they will see not just Forza, but all of your shared games. You can always play your games, and any one of your family members can be playing from your shared library at a given time."