I am Michael Bolton
Banned
It was clear from the get-go that the family sharing plan wasn't going to work as people initially thought it was. No company would be happy if their customers can share their products with 10 other people without a limit of any kind.
The DRM is more than just the family plan. It is the ability to use physicall games like they are digital. Instant gameswitching which in turn allowed for the seamless integration with the new smart matchmaking. All with the benefits of the competitive prices that we are used to from competing stores.
And nobody is stopping MS from still implementing that feature for digital purchases. Well, except MS that is.