One way of thinking about whether medical school candidates' personalities should influence admission is to ask the question, "Would you want this person to care for one of your loved ones?"
Applicants to medical school are expected to live by their presentation of themselves and of their commitment to medical practice. It is not just a retrospective report but also a promise to which admissions officers should be able to expect them to adhere.
Argument that physicians called upon for expert testimony in court have an ethical duty to educate the jury by offering opinions based upon published, clinically based evidence and peer-reviewed medical literature.