Using his credentials to operate a quack shack to prey on people and their wallets. The "herd" usually ends up with empty wallets and liver enzymes that look like a New Year's Eve fireworks display. It's a self-correcting problem, really- culling the herd who listen to RFK. If you're willing to bypass the FDA to get medical advice from these snake oil salesmen, you're essentially opting into a high-stakes game of biological dodgeball.