The easiest time to be funny is during a fairly serious situation. That way, you can break the ice. It's crazy, but even at funerals, people will get huge laughs.
I grew up with a single mom who was a waitress. We were on food stamps. My mom then got Pell Grants, put herself through college to get a degree to get a better job. Because we were broke, I then had to go to a state school. I went to Temple University, and had to get loans. So I grew up in a world where I saw the government helping individuals pull themselves up, and saw it work very successfully.
Hollywood has to appeal to the broadest audience, and when it comes to most social and economic issues, America is progressive. Because of that, the messages that are in Hollywood movies tend to be, for instance, pro-environment.
You could feel America starting to ease up a little bit on racism, against blacks in certain pockets, and then suddenly The Cosby Show bubbled up and it was the right time for it.
In general foreign invested companies who come to America to start a company, to open a manufacturing business or whatnot, they actually provide much higher wages than American companies.