I am very grateful to the authors of the open peer commentaries, as well as Cass R. Sunstein, for their challenging and insightful comments on our article “The Ethics of Organ Donor Registration Policies: Nudges and Respect for Autonomy. A number of commentators find our analysis largely compelling and explore further ethical considerations that the problem of donor registration policies raise. Emily Largent helpfully considers the implications of our analysis for tissue donation, an issue that, as Largent makes clear, is importantly distinct from organ donation, and that does not receive sufficient focused attention from scholars—including Robinson and myself—and policymakers. Jeffrey Kirby and Rodriguez-Arias and Morgan emphasize the way that current donor registration policies employ omission as a form of influence, failing to provide citizens with information regarding the nuts and bolts of donation and transplantation practices. Bester and Gross similarly identify these and other ways in which current donor registration practices in the United States depart from the ideal of autonomous decision making. Luke Gelinas addresses the question that our analysis raises but does not consider: Which donor registration policy is, all things considered, morally superior? Gelinas makes a strong case that opt-out policies may turn out to be best in this regard, on the assumption that they will lead to a greater number of donated organs. Shapiro and Ward helpfully consider the burden that the failure to record a donation preference imposes on family members…