It's zero sum in that there are a fixed number of doctors today. We could train more, but the focus in health care is on decreasing costs, not increasing them.

It's zero sum in that there are a fixed number of doctors today. We could train more, but the focus in health care is on decreasing costs, not increasing them. I can also tell you from experience that unless you are called to primary care in a near spiritual way, it's just not a very appealing job (work hours, environment, and compensation after many years in school).