However, does the author explain why actors, who usually are very attractive, are almost universally left wing? I think this is a case of displacement.
Besides, the author is obviously a Eurotrash left wing shill.
I think it is simpler than that: they live and work in a world of make-beleive. Back in the days of Jimmy Steward, John Wayne, Walter Matthau, Audrie Hepburn and Ronald Reagan, Hollywood lived in the same world as the rest of us and, thus, their political views pretty much reflected the spectrum of public opinion from whence they ame.