 The same accusation is also merited in several recent cases, such as the implementation of the so-called Muslim Ban in the United States, or with respect to proposals during the height of the crisis in Syria (2015) in some countries to prioritize Christian over Muslim refugees (Song 2018). Among political theorists of immigration, there is however widespread repudiation of discriminatory immigration policies, both explicitly and implicitly, even among those who defend the general right of states to exclude would-be migrants and refugees, for many reasons including to preserve culture (Miller 2005).