Why do American TV doctor shows like "Dr Oz" enjoy such high ratings? [Details]?

Follow-up on:

How much faith do you have in recommendations made by TV doctors, such as Dr. Oz? [Details]?

How are Americans watching and not listening? Are we finally getting the difference between “The People’s Court” and Law?

As much as I doubt it, I wish that it were true.

Or, has Fluther just distilled to genius?