Sanctity and Purity

A few days ago I wrote a post about the origins and nature of morality where I talked a bit about the Moral Foundations Theory. The 5 + 1 moral foundations are care/harm, fairness/cheating, loyalty/betrayal, authority/subversion, sanctity/degradation, with liberty/oppression as a potential sixth. Jonathan Haidt, one of the progenitors of Moral Foundations Theory, says in his book The Righteous Mind: Why Good People Are Divided by Politics and Religion that WEIRD (Western, Educated, Industrialized, Rich, Democratic) cultures tend to rate care/harm and fairness/cheating high while downplaying, or even ignoring, the others (except perhaps liberty/oppression, if we include it). In his book, Haidt defends the other three of the main five foundations. But it has me wondering if abandoning them, primarily sanctity, is a good thing or not.

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