I tend to think there is objective but not universal morality, although the larger portion of morality is culturally and personally subjective and a fair amount is arbitrary, I don't think we can construct a scenario where it is morally okay to use human infants as hockey pucks for fun. That said, an ultimate perfect morality is not necessary to make moral judgments. We don't need a perfect standard for being long to tell one thing is longer than another/ and we don't need a perfect standard of right to tell one thing is righter than another.
I'm not anti-Christian. I'm anti-stupid.