There is no way of determining whether morality is getting more or less prevalent today. Pessimists tend to be conservative and optimists liberal, not on the basis of evidence but rather on the basis of religion, gut feelings, and other emotional categories. The Judaeo-Christian tradition has supported both tendencies. If you believe in Original Sin you are a pessimist; if you do not you may be a utopian. If you believe in a savior who will save some, you still believe most are damned. It is hardly productive to engage in thought on this subject. Most people in most ages of history are both pessimistic and optimistic. The most dangerous among them may be utopian; utopians are less restrained in the evil they may resort to out of mistaken analyses of the struggle between good and bad.
In Response to: PAWcast: Adam Mastroianni ’14 on the Illusion of Moral Decline