A lot of people think our moral values are the result of ‘social contracts’ formed between people for mutual advantage as societies formed.The reason you think murder is wrong is because you’ve been brought up that way, and the origin of this belief was an agreement (not necessarily actually expressed) between your grand-daddy and my grand-daddy that mine won’t knock off yours if yours doesn’t take out mine.

We are, at core, rational, self-interested individuals, and our rationality realises that if everyone seeks their own self-interest we will suffer. The rational decision is to agree to limit our self-interest slightly in exchange for the greater benefit of having others limit their self-interests too. Everyone wins. If you aren’t familiar with the idea, I recommend you scan the page linked to above; I won’t rehash it here.

I know it is well-liked by atheists, and I can see why: it’s quite a clever theory and accounts for our morality without appealing to the troubling existence of Good, meaning, or purpose.

However, I have a couple of problems with it. Perhaps SmartLX or Healy, or someone else, can answer them.

1. My first problem is less of a criticism than a clarification. If you want to use social contract theory as your sole explanation of where morality came from, you must stop believing in morals. Too often atheists affirm their belief in morals, that some actions are morally better than others, and when asked to account for where such morals came from, cite this theory. No, no, no. This theory denies actual morals, and instead shows why we believe in them. You can believe in actual morals in addition to this theory, but you must explain their existence differently. If you want to believe that torturing babies for fun is actually morally wrong, this theory is not for you.

2. The free-rider problem. If we accept the assumption that we are rational, self-interested beings then a problem arises: the rational thing to do is to break the agreement whenever we can safely get away with it. The best outcome is for everyone else to benevolently honour their half of the agreements while I egotistically break them. I see two implications of this: firstly, is there any reason why should I behave morally if I think I could get away with immoral actions? And secondly, given the first implication, why would anyone enter an agreement? In what way is it different to no agreement?

3. Why do I have any obligations in my treatment of mentally impaired people, physically disabled people, the elderly, or animals? It does not benefit me to enter a restricting agreement with those who are not capable of harming me. A rational, self-interested person would not enter such an agreement. How did those morals arise?

4. Love – real love is neither rational nor self-interested. Which best defines what it is to be human: to rationally protect your self-interest, or to love? The former seems to me more characteristic of a machine than a human. I therefore challenge the foundational assumption of the entire theory on the basis that humans are more than rational, more than self-interested: we love, freely, irrationally, self-sacrificially, humanly.

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