That argument ignores cultural evolution, which humans have long used to adapt to changing circumstances much more quickly than biological evolution. Just as we evolved culturally to accommodate the transition from hunting and gathering to agriculture, we will do the same to accommodate our modern post-physical labor society.
And I don't think we live in a "hyper-PC" society in this regard at all. Let's put it this way. People would be more surprised to find out that a woman's husband quit his job to stay home with the kids than to find out that her husband is a different race.
And I don't think we live in a "hyper-PC" society in this regard at all. Let's put it this way. People would be more surprised to find out that a woman's husband quit his job to stay home with the kids than to find out that her husband is a different race.