More likely affirmative profits than affirmative action. Most doctors are members of large medical groups or hospitals that follow protocols to maximize profit and minimize the amount of time spent with patients. Patients with unusual conditions simply fall outside the confidence intervals of the profit bell curve and remain untreated; or worse receive the wrong (expensive) treatment.
They don't cure anything. Where is the money in that?
Their job is to turn patients into ad infinitum revenue streams for the pharmaceutical companies.