Ernest Cline said this quote
“ Even humanity's lack of concern for its rampant overpopulation problem now made a terrible kind of sense. What difference did it make if our planet was capable of supporting all seven billion of us in the long term when a far greater threat to our numbers was waiting in the wings? And despite the overwhelming odds, humanity had done what was necessary to ensure its own survival. It filled me with a strange new sense of pride in my own species. We weren't a bunch of primitive monkeys teetering on the brink of self-destruction after all—this appeared ti be an altogether different kind of destruction we were teetering on the brink of. ”