Even when people are rich and successful on TV shows, there's always some trouble - you have to poke holes in them, throw them out of a job, put a pie in the face.
In the industry, you do need some ethics - if one film does well, then thousands get work and money comes back to the industry. I guess the bottomline is, if there are two versions, then the better one will click.
Change begins with understanding and understanding begins by identifying oneself with another person: in a word, empathy. The arts enable us to put ourselves in the minds, eyes, ears and hearts of other human beings.