Coyne writes that,
though both moral and immoral behaviors can be promoted by religions, morality itself — either in individual behavior or social codes — simply cannot come from the will or commands of a God. This has been recognized by philosophers since the time of Plato.Coyne here adverts to the classic Euthyphro dilemma which, contrary to what he thinks, has been discredited by philosophers for centuries (see here, and here). It's unfortunate that Coyne is unaware of this, but it illustrates the hazard of experts in one field speaking dogmatically on matters in other disciplines.
Religious people can appreciate this by considering Plato's question: Do actions become moral simply because they're dictated by God, or are they dictated by God because they are moral? It doesn't take much thought to see that the right answer is the second one.
Why? Because if God commanded us to do something obviously immoral, such as kill our children or steal, it wouldn't automatically become OK.
Of course, you can argue that God would never sanction something like that because he's a completely moral being, but then you're still using some idea of morality that is independent of God. Either way, it's clear that even for the faithful, God cannot be the source of morality but at best a transmitter of some human-generated morality.
But what he says next merits a more thorough response.
So where does morality come from if not from God? Two places: evolution and secular reasoning. Despite the notion that beasts behave bestially, scientists studying our primate relatives, such as chimpanzees, see evolutionary rudiments of morality: behaviors that look for all the world like altruism, sympathy, moral disapproval, sharing — even notions of fairness.Assuming this is correct what makes the behaviors he mentions moral or right? If a chimp acted contrary to these tendencies would we think the chimp immoral? Would we call its actions evil or wicked? Why, then - if we're nothing more than hairless apes - do we call humans evil when they torture people or abuse children? We have an aversion to such things, to be sure, but aversion doesn't make something wicked.
This is exactly what we'd expect if human morality, like many other behaviors, is built partly on the genes of our ancestors.
And the conditions under which humans evolved are precisely those that would favor the evolution of moral codes: small social groups of big-brained animals. When individuals in a group can get to know, recognize and remember each other, this gives an advantage to genes that make you behave nicely towards others in the group, reward those who cooperate and punish those who cheat. That's how natural selection can build morality.In other words we should be nice because we've evolved to be nice. This is fallacious. Philosophers since Hume have recognized that one can't derive an ought from an is. Because we've evolved a certain tendency, if indeed we have, it doesn't follow that we have an obligation to express that tendency.
As mentioned above, we've also evolved the tendency to be selfish and mean and a host of other unsavory behavioral traits. Are these behaviors morally right just because they've evolved? Should we consider cruelty good because it's an evolved behavior?
Coyne concludes with this thought:
Secular reason adds another layer atop these evolved behaviors, helping us extend our moral sentiments far beyond our small group of friends and relatives — even to animals.This is silly. Secular reason says no such thing. What secular reason dictates is that I should look out for my own interests, I should put myself first, and use others to promote my own well-being and happiness.
That may entail that I give people the impression that I care about them in order to get them to assist me in my own pursuit of happiness, but people who are of no use to me are of no value to me. Thus, it'd be foolish of me to sacrifice my comforts to help some starving child in some other part of the world who will never be of any use to me.
Indeed, why, on Coyne's view, is it wrong to refuse aid to victims of poverty and starvation?
Atheistic philosopher Kai Nielson stresses this very point:
We have not been able to show that reason requires the moral point of view or that all really rational persons unhoodwinked by myth or ideology need not be individual egoists or amoralists. Reason doesn't decide here. The picture I have painted is not a pleasant one. Reflection on it depresses me...pure reason...will not take you to morality.Secular reason and evolution have no answer to the question why we should help those who are in no position to help us, at least none that doesn't reduce to the claim that helping others just makes us feel good. It's an ugly fact about naturalism that its logic entails such conclusions, and either Coyne knows it's ugly and doesn't want his readers to know it, or he has no idea.
In either case he should stick to biology.