I haven't watched the move 100 times, but there is something I think isn't addressed. If the "war" ended tomorrow, and all the humans are freed, freed into what

I haven't watched the move 100 times, but there is something I think isn't addressed. If the "war" ended tomorrow, and all the humans are freed, freed into what? You wind up with billions of naked hungry adults wandering around, no food, no sunlight, all going to die quickly.