Moral emotions are adaptations, not divine or purely rational insights

Wright's central claim is that feelings like guilt, gratitude, indignation, and sympathy exist because they historically improved reproductive success for individuals who felt them appropriately, not because they were designed to track objective moral truth. Guilt likely evolved because it motivated behavior that repaired valuable relationships after a transgression, which mattered for survival in small, interdependent ancestral groups where ostracism could be lethal.

This doesn't necessarily make morality less real or valuable in practice — Wright distinguishes a trait's evolutionary origin from its present-day usefulness — but it means moral intuitions should be examined rather than trusted automatically, since they were shaped by ancestral reproductive payoffs, not by any process aimed at fairness or truth.

The implication is unsettling: our strongest moral convictions may sometimes reflect what once helped genes propagate rather than what is actually just, especially in situations quite different from the ancestral environment that shaped the underlying instinct.

Takeaway: feeling certain something is right doesn't mean evolution built that feeling to be fair.