The evolution of moral progress and biomedical moral enhancement.

In The Evolution of Moral Progress Allen Buchanan and Russell Powell advance an evolutionary explanation of moral progress by morality becoming more 'inclusivist'. We are prepared to accept this explanation as far as it goes, but argue that it fails to explain how morality can become inclusivist in the fuller sense they intend. In fact, it even rules out inclusivism in their intended sense of moral progress, since they believe that human altruism and prosocial attitudes are essentially parochial. We also respond to their charge that the possibility of moral enhancement by biomedical means that we have defended in numerous publications assumes that moral attitudes are biologically hard-wired to an extent that implies that they are resilient to the influence of cognitive or cultural factors. Quite the contrary, we think they are more open to such influence than they seem to do.

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© 2019 The Authors Bioethics Published by John Wiley & Sons Ltd.