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.
Obamacare is a private mandate that will drive billions to the insurance industry, much like the auto insurance mandate. Hardly socialism. In fact, it was a Republican plan to begin with.
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.
Hollywood is for-profit, is what Hollywood is. All the studios are owned by big, megacorporations that are the furthest thing from liberal you can possibly imagine.
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.