Positions of authority and being a "good example" (improved)

[wacki]

I see so many people claim positions of authority need to lead by example. I've seen people like this effect jobs from the President of the United States all the way down to the insignificant job of internet forum modding. Some people think that a person in authority should be fired if he isn't a good example no matter how good of a job he does.

What do you think? Say a person is perfect at his job but isn't a good example:

(When I say "break the law" I mean person is not a violent criminal/thief. Public intox/weed is not included in this.)