Saw this just now:
Some folks playing Halo 4 today were banned in-game on accident. Technical glitch. We're working on the fix and so sorry for the error.
— Halo (@Halo) November 3, 2012
Let’s focus on the important thing here: WHO are these people and WHY do they have the game? If street’s broken on this bad boy, start handing it out, retailers!