Psychologists have developed a “disgust scale” based on how queasy people would be in 27 situations, such as stepping barefoot on an earthworm or smelling urine in a tunnel. Conservatives systematically register more disgust than liberals.
For liberals, morality derives mostly from fairness and prevention of harm.
For conservatives, morality places relatively more emphasis on upholding authority and loyalty — and revulsion…
“The easiest way to lead people by the nose is through their morality.” – Nietzsche