 The dispute between left and right institutionalism has centered on how to interpret the institutions found at the global level; both sides in the debate agreed that the nature of these institutions is of primary importance in establishing whether or not egalitarian duties hold globally. Some recent theorists, however, have challenged this assumption. On this vision, what is relevant from the standpoint of justice is only whether or not a particular agent is, in fact, a recognizably human agent—not whether that agent stands in a particular relationship as regards other humans. Simon Caney is a chief exponent of this theoretical perspective, and defends it as follows: