This is the short-sightedness of market fundamentalism. To take this to a ridiculous extreme, if I decide that taking care of my children is no longer ROI-posit

This is the short-sightedness of market fundamentalism. To take this to a ridiculous extreme, if I decide that taking care of my children is no longer ROI-positive, should I just decide this market has shrunk and the prudent thing to do is invest in new markets?