Jesse Prinz argues that the source of our moral inclinations is merely cultural.
Suppose you have a moral disagreement with someone, for example, a disagreement about whether it is okay to live in a society where the amount of money you are born with is the primary determinant of how wealthy you will end up. In pursuing this debate, you assume that you are correct about the issue and that your conversation partner is mistaken. You conversation partner assumes that you are making the blunder. In other words, you both assume that only one of you can be correct. Relativists reject this assumption. They believe that conflicting moral beliefs can both be true. The stanch socialist and righteous royalist are equally right; they just occupy different moral worldviews.
Relativism has been widely criticized. It is attacked as being sophomoric, pernicious, and even incoherent. Moral philosophers, theologians, and social scientists try to identify objective values so as to forestall the relativist menace. I think these efforts have failed. Moral relativism is a plausible doctrine, and it has important implications for how we conduct our lives, organize our societies, and deal with others.
Cannibals and Child Brides
Morals vary dramatically across time and place. One group‟s good can be another group‟s evil.
Consider cannibalism, which has been practiced by groups in every part of the world.
Anthropologist Peggy Reeves Sanday found evidence for cannibalism in 34% of cultures in one cross-historical sample. Or consider blood sports, such as those practiced in Roman amphitheaters, in which thousands of excited fans watched as human beings engaged in mortal combat. Killing for pleasure has also been documented among headhunting cultures, in which decapitation was sometimes pursued as a recreational activity. Many societies have also practiced extreme forms of public torture and execution, as was the case in