As every platform holder knows, hardware launches must be conducted in accordance with the regulations set out in an act of parliament passed in 1868, commonly known as Gladstone's Mixed Bag Law.
This law states that every launch line-up of software should include a couple of decent titles along with some rubbishy old nonsense. However, line-ups must mainly be comprised of games no one will be able to remember the names of in three years' time.
Microsoft is no lawbreaker. For evidence of this, look no further than Kinect launch games Dance Central, Fighters Uncaged and that thing about leopards.