 On the other hand, deontological theories have their own weak spots. The most glaring one is the seeming irrationality of our having duties or permissions to make the world morally worse. Deontologists need their own, non-consequentialist model of rationality, one that is a viable alternative to the intuitively plausible, “act-to-produce-the-best-consequences” model of rationality that motivates consequentialist theories. Until this is done, deontology will always be paradoxical. There are several distinct hurdles that the deontologist must overcome.