What does the director mean by unorthodoxy of behavior

Resistance against the status-quo of society is considered unorthodoxy. Thinking anything different than what the state demands is threatening to the state,

Mr. Foster, and you will see that no offence is so heinous as unorthodoxy of behaviour. Murder kills only the individual-and after all, what is an individual?... We can make a new one with the greatest ease-as many as we like. Unorthodoxy threatens more than the life of a mere individual; it strikes at Society itself."