That's apples and oranges, RAZD. The decision of the atheist who became a theist had to be based on some pretty complicated analysis of possibilities in the natural world
Why is that true? Do you some idea that atheists are inherently rational? Few Christians, and none that I have met, or have observed, have come to their beliefs through rationalizing about the universe.
In this case, you have someone who claims that a conclusion about the origins of morality was the basis of his conversion. But who can know just how rational and objective his realization is? In fact, his argument is ridiculous, because there are other sources of human behavior other than biological evolution. Morality, of one sort or another, is an inevitable outcome of humans trying to get along as a society. And because of the way we've evolved, living in a society is a requirement for being human. If you view your current morality, whatever its source, to be the highest level possible, I submit that other cultures likely believed similarly despite their flaws.
Do apes and lions have a moral code. I'd suggest that they do although their codes would be foreign to us and not desirable.
Edited by NoNukes, : Add some argument to flesh out comments.
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