I didn't say the existing rules were perfect, I'm just noting they exist. You can also say that a "Yelp for drugs" wouldn't change the existing incentives. FWI

I didn't say the existing rules were perfect, I'm just noting they exist. You can also say that a "Yelp for drugs" wouldn't change the existing incentives. FWIW, the doctors I know take ethics very seriously; they take great pains not to be seen as accepting gifts, they treat pharma company claims with a great deal of reasonable skepticism, they always prefer non-drug and OTC treatment to prescriptions, and generics to branded drugs. A few bad apples do not spoil the tree.