So if you liked that challenging part of the game, you'd lose it (rather than opting not to patch, as you would now). More significantly, what if one of the games that has the plug pulled is something that you love, or that you're half-way through playing? Suddenly, bam!, it's gone?
The technology geek in me is fascinated, though. I'll be watching this one with interest. If nothing else, it might be a great supplement for hardcore gamers, and a wonder service for the more casual players.