The television industry doesn't like to see the compexity of the world. It prefers simple reporting, with simple ideas: this is white, that's black; this is good, that's bad.
I've often been accused of spending more time and energy criticizing my fellow Democrats than criticizing Republicans.
If you make a feelgood film which is complete candyfloss, where everybody is good and everything is beautiful and hunky dory, it won't appeal to the audience.