A study conducted in Germany found that men with higher IQs are less inclined to traditional values, but the lead author, psychologist and intelligence researcher Maximilian Krolo of Saarland University, said the researchers did not find these differences among women.
I think there was a big educational push to leverage empathy in planning.
Like adding in motivation for why Suzy has a need for two or your apples, that involves empathy drive up scores.
Perhaps you plan for one, but end up selecting for another accidentally.