Misunderstood. The changes are due to changes in incentives especially reproductive responsibility, responsibility to the commons, responsibility to the traditions that have made those commons possible, obvious economic, reproductive and sexual license, dating, mating, marriage, the collapse of education, and the emergence of new social status, identity, and political bias that are the result of the excessive ascendance of the individual by the destruction of the family as the central purpose of political and social orders, so that we produce intergenerational persistence.
However the underlying instinct and intuition haven’t changed at all. They have been the same, as far as we can determine for millions of years. The singular direction of human evolution for at least the past two million if not longer, has been neotenic- the extension of the rate of maturity increasing cognitive and behavioral plasticity by the decrease in that rate of maturity and the attendant decrease in aggression and emergence (like dogs) of prosociality that fosters cooperation and the two sides of the behavioral coin: altruism and altruistic punishment.
Understanding social science is not possible without understanding behavioral economics and cognitive science. In no small part because sociology and psychology are pseudosciences and always have been.
Reply addressees: @JHaroldHall @RemttidAcul @oldbooksguy