Dave,

"What I do see is evangelical Christian groups exercising ever more control of the airwaves to assure us that"

And the left wing liberals have had their way for over 40 years with the airwaves steadily going down hill. Why object to making it more reasonable? I personally do not mind the content and I know I can turn the station. But try driving down the road with your kids and hit a few buttons on the radio. Network TV is even worse.

"If no one wanted to watch such awful stuff, the ratings would drop and the stations would stop showing it. Pure capitalism, the bulwark of the GOP. Right?"

No it's called dumbing down. Pandering to the lowest common denominator.