Is There a Domain Dependency?

In book two of modernity, in the denial of anti fragility, he introduces the idea here of eatrogenix. He says on page one 25, if you want to accelerate some one's death, give them a personal doctor. The concept there is domain dependence, where doctors, in this example, understand onin and how that can help you overcome certain things, yet they will recommend exercise which does the opposite. So it's interesting how that can happen.