The evolutionary model of moral progress developed in A Better Ape is nuanced and illuminating. Kumar and Campbell use their view of the evolved moral mind to analyze clear cases of increased inclusivity and equality (at least in Western society). Their analyses elucidate the psychological and social mechanisms that can drive moral progress (or regress). In this commentary, I raise three main concerns about their model: that factors other than social integration are more central to progress; that their model isn’t (...) inherently progressive; and that inclusivity and equality conflict with other forms of progress. (shrink)