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Comment by quotemstr | Hacker News Reader

While we do have an innate model of right and wrong --- a murder taboo is universal amoung human civilizations, for example --- these instincts flow from a long epoch of the influence of evolution and game theory on our psyches, not some grand philosophical system.

Philosophical systems of ethics have always seemed to me like elaborate rationalizations for what we all know to be right and wrong innately. Since most of us possess this faculty with or without philosophy, the formalization is just self-flattery.

Do you think healers sought to do harm before Hippocrates came around and that the mere phrase "do no harm" ushered in a new era of helpful medicine?

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> Philosophical systems of ethics have always seemed to me like elaborate rationalizations for what we all know to be right and wrong innately. Since most of us possess this faculty with or without philosophy, the formalization is just self-flattery.

The evidence for this claim is scant: the Ancient Greeks (and not-so-ancient Western Europeans) extolled the virtues of various forms of slavery, all of which we find morally reprehensible today. Moral views of abortion, homosexuality, and blasphemy have all undergone complete reversals in the last 150 years. Intuitionism alone can't account for these changes.

> Do you think healers sought to do harm before Hippocrates came around and that the mere phrase "do no harm" ushered in a new era of helpful medicine?

Hippocrates formalized and systematized what was otherwise a naggling feeling. Just because doctors happened to perform in a morally acceptable fashion pre-oath does not mean that the system prescribed by the oath is redundant -- it serves to establish why certain procedures are right and wrong, when a doctor might be punished or blamed, and so forth.

Why couldn't intuitionism account for these changes? We're drastically changed our environment and increased our prosperity over the past few centuries. It would be amazing if our moral intuition were invariant in the face of changing conditions!

> We're drastically changed our environment and increased our prosperity over the past few centuries. It would be amazing if our moral intuition were invariant in the face of changing conditions!

This is all correct, which is why I said "intuitionism alone". The reason is the absence of a clear causal connection: our (meaning the general public's) moral intuitions have developed in tandem with political and economic progress, not as a cause or purely as a consequence of it. Combined with the massive volume of political and ethical theory produced shortly before the emergence of the world's first liberal democracies, I'm inclined to believe that the causal arrow goes in the other direction than the one you suggest.

>a murder taboo is universal among human civilizations

Using the word murder is cheating. Of course an "unlawful killing" is taboo, it's in the definition! Killing humans is definitely not a universal taboo, just look at wars and those that support them. Since all ethical statements have an evaluative piece to them, we cannot say anything is universally taboo.

Is a murder taboo really universal? Large societies run by death cults have occurred several times throughout history. For example: Carthage, Aztec Empire, ISIL, etc. If you define their actions as not technically "murder" then the word becomes meaningless.

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