So? money is nice, but it isn't everything. many people have demoted themselves because something other than money was important to them.

"Many people have demoted themselves...." you must travel in very selective circles, my friend. (or more likely, arguing for the sake of arguing.)

The vast vast majority do not do that. However there are so many people in the world that the remainder is still many people.

Money is objectively needed to take care of children to any decent standard. Choosing to shoot yourself in the foot to be seen as less sexist is dumb

Leave him alone. He will find another reason why you are wrong and he is right. (I mis-used his pronouns probably.)