Realism is always subjective in film. There's no such thing as cinema verite. The only true cinema verite would be what Andy Warhol did with his film about the Empire State Building - eight hours or so from one angle, and even then it's not really cinema verite, because you aren't actually there.
“I'm not a professional politician. I'm a professional problem solver, and I believe we should cut the salaries of senators and congressmen 10 percent until they balance the budget. I call that conservative common sense.”