I mean… The oath is usually taken at medical school not during medical licensing.There is also more to the oath than just that line, and there are different versions of the oath because the original is pretty antiquated. Some schools use a different oath entirely. What do you do if a doctor went to school in a different jurisdiction? Do you hold them to an oath that they did not take? And what is ‘harm’ anyway? Is assisted suicide harm? Is abortion harm? Is denying a patient a life-saving abortion harm? Is recussitating someone to a state in which they wish they had instead died harm?