The profession of medicine is duty-bound to further the best interests of the public. If evidence suggests that discrimination based on sexual orientation or denial of civil marriage to GLBT couples has adverse effects on their health, physicians must oppose such practices, regardless of their personal biases.
The history of the AMA's policy on anencephalic newborns as organ donors is a living example of what medical science can do sometimes conflicts with society's support or nonsupport of those possibilities.
Retainer practices set an example to medical students and other providers that the highest level of physician satisfaction is available only to those who serve the wealthy.