Triage

In a disaster with limited medical aid available, doctors do a triage where those easily cured are selected for treatment before others.  Government committing to the young and then letting private means takeover for middle aged and onward is a form of triage that provides the greatest good for society because a long, healthy and well lived life requires individual effort.   Private insurance and medical systems that encourage good health provide the best value to those willing to work at their good health.  Poor life style and habits could lead individuals to expensive medical interventions which can only be provided only to those that can afford it.  Any other system involves encroaching enslavement.