The doctor is capable of choosing to sacrifice himself (cough as are you). The baby is not. I don't know whether that argument is outside of the utilitarian san

The doctor is capable of choosing to sacrifice himself (cough as are you). The baby is not. I don't know whether that argument is outside of the utilitarian sandbox. Does utilitarianism demand total knowledge? Can't you posit a baby exception wired into your brain (by evolution, $deity, whatever), obey it, and still be an orthodox utilitarian?