You can't really extend the analogy. Doctors don't face the same problem as hiring managers. Their patients walk in the door. They don't have to find a good patient they want to keep for 30 years. Hiring managers have an acute information-processing problem, in that they do not know who's good, and have to find out. Try to put yourself in their shoes. If you ever found a company, you'll be there someday, wondering how to hire people...