“…The references cited by Fowers et al (2014), Arnhart (1998), MacIntyre (1999), Morowitz (2004), and Okrent (2007) are willing to attribute the existence of non-physical, morally relevant phenomena, such as virtue and aspiration, to a complex but unspecified process of emergence based on models and metaphors taken from Darwinism. We simply find the analysis they offer unpersuasive on conceptual, philosophical grounds (see, e.g., Gantt & Williams, 2014).…”