Of course they aren't. Everyone has vices, demons and skeletons in the closet of some sort. For some reason we hope that elected officials, teachers, police officers etc....will be better than than the norm. There's probably a few that are, but for the most part they all fall into the bell curve like the rest of us.
I don't known if they necessarily have a soap box to shout from or if they have a higher bar of standards based on their title. Whatever it is though, the higher you climb in life the further the fall. There are people that are really good at certain things which gets them into decent jobs and positions if power, but that doesn't mean they are good people.
Also, the old saying that people in glass houses shouldn't throw stones always holds true.