As for comparing them to doctors--really? If a doctor prescribes the wrong medicine, someone dies.
Not necessarily—it could just make you sick or maybe not even that. Anyway, my analogy was never meant to be taken 100% literally. My point was simply that the impact of your actions often matters more than your intentions.
If a celebrity says something stupid (but not racist), they only hurt themselves.
Well, if it's an Olympic athlete, they can also make their handlers, sponsors, and federation—and even their nation—look bad.