You seem to think evolution has a certain direction it wishes to take us if we'd just stop getting in the way.
I certainly don't believe that evolution pursues a predestined course, if that is what you imply. What I propose is that a life form that has lost its ability to adapt to a changing environment can in fact become vulnerable to extinction, as has happened to numerous species that previously existed.
I think that not nurturing our children (who are weak and incompetent at birth) will lead to a 100% mortality rate, driving our species to extinction. That is really bad for our evolution.
Agreed.
Should our objective be the long term welfare of the species (and I phrase that as a hypothesis) the matter becomes one of the
extent to which we nurture. With no nurture whatsoever, no baby would survive. But Mr. & Mrs. Bady were not quite that cruel. Three of their kids made it.
I want to emphasize that I am conducting this debate purely from an academic viewpoint - I am proposing no course of action.