Zip, Rand meant that emergency situations are not the basis on which you should build ethical systems; they are complicated and often have no “good” choice. So to start with that as a reasoning point for any ethical question is like trying to start your studies of physics by figuring out how to calculate the orbit of the moon. First you must have a strong grasp of ethical principles, and then, as with the orbits of any heavenly body, each situation is unique and complicated.
Anyway, I think this qualifies as a “complicated” problem. Does the doctor have bills to pay? Will he be responsible for the bills of the patient if the patient defaults? Is this a repeat bum who constantly puts him/herself in danger? etc., etc., etc., ad infinitum. A thousand different small variables will change the answer one way or another. Which illustrates a simple point: its not required of any human to sacrifice his life, or any portion of it, to another if they do not think it is in their best interests.
So no, no man has an ‘obligation’ to become destitute, or starve, or lose his or her practice, or any other negative effect, for another human. I agree that men of good morals have a general benevolence towards other men, but that does not mean that there is any obligation between them. Such men will be more inclined to help each other, if the costs are not too great, but no men can claim others must help him or be immoral.
To give a simple example, I once helped to rescue a man from a burning car. It was late at night, and I was wide awake. I passed a wreck on the side of the highway, and noticed one of the cars was on fire, and still had a person in it. Other cars were already pulling or pulled over - so I did the same and hopped out. I helped get the door open while some others got the guy out and carried him a safe distance from the car.
My considerations:
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Cost to myself - a little bit of time. Negligible.
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Danger to myself - unlike in the movies, I don’t believe cars are very likely to explode when on fire. Negligible, again.
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Payoff - satisfaction of playing a small role in quite possibly saving a human life. High.
Now, some other things. I don’t know who caused the wreck; if it was the individual’s fault and I knew it, I may have kept on speeding. Given the circumstances, however, and the low cost of the act, I thought it best to assume the best circumstances; ie, that some third driver or some legitimate problem related to driving late at night caused the wreck, and not negligence on the part of any of the people involved.
I beat it before the cops and paramedics arrived and never pursued information about the wreck. So I can’t tell you what actually happened or if the guy even survived - he didn’t look too beat up but he was unconscious. I just did what I thought was best under the circumstances.