...are there no measurable differences between men and women, other than anatomy, corresponding to all the ways in which it is so terribly terribly important to treat men and women differently?  Is there no externally visible quality of a woman, besides her ability to get pregnant, that corresponds to the fact that it's usually better if a man controls a household's spending money, rather than the woman being the one to control it?  Though, to be clear, she should feel very free to deny the premise that it's better for the man to control everyone's money than for everyone to have separate budgets; Keltham comes from a world where everybody has separate budgets, but people there are also smarter and richer and it's essentially impossible for a child to starve.

...are there no measurable differences between men and women, other than anatomy, corresponding to all the ways in which it is so terribly terribly important to treat men and women differently?  Is there no externally visible quality of a woman, besides her ability to get pregnant, that corresponds to the fact that it's usually better if a man controls a household's spending money, rather than the woman being the one to control it?

Though, to be clear, she should feel very free to deny the premise that it's better for the man to control everyone's money than for everyone to have separate budgets; Keltham comes from a world where everybody has separate budgets, but people there are also smarter and richer and it's essentially impossible for a child to starve.