Art is a diverse, ever, but, unfortunately, it may not affect people without their will, mental strain, the specific work of thought. People should want to learn to see and understand fine, then the art will positively influence the society in General. It will probably be in the future. And while talented creators should not forget that their work may affect millions, and it may be beneficial or detrimental.
But if our screens will step propaganda of violence, the cult of force of evil, we will perish after the hapless heroes of these ephemeral-fighters.
I believe that all this is temporary, transitory, soon people will understand it. Already many of us are aware that no film will not replace communication with a book