Would the good doctor be more accomplishing of the (assumed) objective if more of his patients continued to go back, rather than elsewhere - esp. if he is better than the others?

There are times when Chrome sells more effectively than engineering.

Gulfstream Aircraft beat the competiton because of, speed? Range? price?  . . . . . wait for it . . . . .

BIG windows!

If you do what you have always done, you will get what you have always gotten.

I went to one of the Road-Show presentations, it was great, but I was also already in, and fully engaged - the Vegas audience will not be.