This setting prevents users from changing the look of their start menu background, such as its color or accent. (thewindowsclub.com)
Menu backgrounds focus on particles stylistically forming, while the player can pan the camera angle a little to any side. (thezombiechimp.com)
Gameplay itself is king, and is demonstrated as soon as you load up N + +, as hapless bots or replays of failure are shown in the main menu background, picking at random from the many levels in the game. (thesixthaxis.com)