You don't know what someone's going to walk away from a movie with but you hope it's something positive but if nothing you want them most basically to be entertained and engaged. That's your job. But you also hope to give them something to chew on or maybe some insight into the human existence you hope a little bit. Not to sound too lofty.
You shouldn't get to live in society and give nothing back. People complain about their taxes yet they do nothing for the community. That makes me furious.