The work of the The Nightmare Before Christmas it’s the most wonderful time of the year shirt Apart from. I will love this mechanic can be very complex, so this is not meant to be a comparison. What I understand is that you believe that the work of a doctor can be codified into simple individual skills and relatively clear decision paths. In my experience, even people with no formal training can pick up useful medical reflexes, as evidenced here on Quora. Furthermore, many believe that by reading guidelines and applying medical decision algorithms you are as useful, or even better, than a doctor.