This resignation is not the same as messiness or moral ambiguity. It is, in fact, its opposite. Ambiguity wants desperately to know, and not just to know but to know in spades. A writer like Chew-Bose pursues multiple interpretations for why people do what they do and what it means about who they are, leaving in her wake a trail of confused feelings, theories, and metaphors; evidence that she has circled the truth like a dog has stalked its dinner—from all angles. Gaitskill never even makes the attempt. For her, there exists no obvious relationship between the complexity of human experience and the profusion of prose; no need for qualification or subordination, the pile-up of pretty phrases to approximate an awful truth that will only recede before us. For Gaitskill, part of growing up as a writer has been learning to accept “my own stringent limitations when it comes to giving form to impossible complexity.” For her reader, it feels refreshing to finally have a grownup in the room, laying down the law but not really caring whether you follow it or not.
Ib Ulbæk  invokes another standard Darwinian principle—'reciprocal altruism'  —to explain the unusually high levels of intentional honesty necessary for language to evolve. 'Reciprocal altruism' can be expressed as the principle that if you scratch my back, I'll scratch yours . In linguistic terms, it would mean that if you speak truthfully to me, I'll speak truthfully to you . Ordinary Darwinian reciprocal altruism, Ulbæk points out, is a relationship established between frequently interacting individuals. For language to prevail across an entire community, however, the necessary reciprocity would have needed to be enforced universally instead of being left to individual choice. Ulbæk concludes that for language to evolve, society as a whole must have been subject to moral regulation.