First, it wrongly assumes that each culture has a unique set of moral values. Second, even if cultures differ radically in their basic moral beliefs, it only shows that there are differing opinions, not that no opinion is correct. It proves nothing about the nature of morality. [10] Third, it denies that objectivity is possible. But the only way to know that our cultural biases blind us to the truth is to have an objective and unbiased point of view.

