Children have value in the hyperefficient society you describe, but it's emotional rather than monetary. It's hard to compare abstract, future emotional upside

Children have value in the hyperefficient society you describe, but it's emotional rather than monetary. It's hard to compare abstract, future emotional upside to dollars spent on diapers and sleepless hours lost to infant childcare in the here and now. Society does a poor job helping young people understand how to balance investment into children, friends, family, and community against investment into professional work which often results in more immediate and measurable results.