Look if you have somebody who doesn't have health insurance who doesn't have a doctor or dentist and in order to deal with their cold or flu or dental problem they go to an emergency room - in general that visit will cost ten times more than walking into a community health center.
Bottom up thinkers try to start from experience and move from experience to understanding. They don't start with certain general principles they think beforehand are likely to be true they just hope to find out what reality is like.
