Some have denied that social injustice could result from selecting or editing for particular traits that increase people’s chances at a better life (Savulescu 2001). To the extent that those traits contribute to inequality, the argument goes, it is unlikely that they could promote wellbeing (Savulescu 2001, 424). This claim seems, however, either irrelevant or false (de Melo-Martin 2017). Prospective parents choosing certain traits for their children could do so without realizing that they are a