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.
“A good director has to be a captain - he has to work with a lot of people every day.”
“Discrimination due to age is one of the great tragedies of modern life. The desire to work and be useful is what makes life worth living, and to be told your efforts are not needed because you are the wrong age is a crime.”