I use this as the background for my phone. When people who understand it ask why I have it I tell them "that's the joke". When people who don't understand it ask me why I have it I give them the "briefest" explanation of why it is so funny. Thank you for this.
Basically the Cole Protocol is initiated when the Covenant are going to win or possibly get some UNSC info. The protocol pretty much makes it to where all info on getting to Earth and various other things are destroyed.