[ it's not that the rules are different... it's probably just that enjolras has never fought a race of cold, unfeeling twelve-story-tall murderbots. perhaps in the 2052 remake of les misérables: human revolution. ]

For the same reason any ruler would withhold something from their subjects, I suppose. Perhaps she fears the truth may be demoralizing, or perhaps she already knows there's no helping the problem. Or worse, perhaps she knows as little as we do.