If a movie is really working you forget for two hours your Social Security number and where your car is parked. You are having a vicarious experience. You are identifying in one way or another with the people on the screen.
You sell a screenplay like you sell a car. If someone drives it off a cliff that's it.
Next Article
I didn't come from a trailer park. I grew up middle class and my dad had money and my mom made my lunch. I got a car when I was sixteen. I'm proud of that.