Right, and even if the user does not play it the instant it gets decrypted, the user still benefits by having preloaded days in advance (especially with huge ga

Right, and even if the user does not play it the instant it gets decrypted, the user still benefits by having preloaded days in advance (especially with huge games > 10GB, i.e. BF3). So when the user finally finds time to play a preordered game, it's already sitting in the Steam library, ready to be played.