If you think these beleifs are inherent in the temperament of people, that doesnt explain the change of these beliefs over time. Progressive, left leaning ideology had different stances 20 years ago, let alone 50 years or in China or India.

Sometimes this is easier to see from the outside. For example, if the conservative right all independently arrived at the same conclusion based on personality, isnt it strange how the consensus all moves together and changes over time