It is probably a reference to the conclusion part of the paper, simply because it's an obvious hypothesis. It's not necessary that men died like flies, they jus

It is probably a reference to the conclusion part of the paper, simply because it's an obvious hypothesis. It's not necessary that men died like flies, they just didn't procreate, but that's not mutually exclusive. Eitherway, it would be the result of competition with a social aspect.