It’s a matter of money in that we have a finite resource (one person’s time) and in-demand finite resources tend to have a high price. At a systems level someo

It’s a matter of money in that we have a finite resource (one person’s time) and in-demand finite resources tend to have a high price. At a systems level someone pioneering surgery techniques should probably spend most of their time researching and teaching, with surgery being a small portion of their time used to maintain the practical knowledge needed to better teach/research.