Ummm, they wont blow up because the artbiter and the humans stopped halo from launching and she can tell that from inside the computer. The big flood guy probably wants to know what the f**k we're all fighting over.
> Not sure either, but I'm thinking when the big blob started to
> interrogate Cortana she activated the Amber Clad reactors, blowing up
> Halo AND the city...
> Codeword: Shoot
If that's true, that's far more understandable.
Shame the game made this in no way really possibly apparant to the player.
Good story, fantastic game (well,in parts, and multiplayer is a drug), shame about the telling of the story.