Philosophical discussions of respect since Kant have tended, on the one hand, to develop or apply various aspects of it, or on the other, to take issue with it or develop alternative accounts of respect. Some of the discussions have focused on more theoretical issues. For example, Kant gives the notion of respect for persons a central and vital role in moral theory. One issue that has since concerned philosophers is whether respect for persons is the definitive focus of morality, either in the s