True. Success in Hollywood requires a certain personality type that heavily favors liberalism. The rags to riches ones suddenly believe that all it takes is talent and can't cope with the reality that luck was a major factor in their success and that they could never be in the gutter again.

If we're bringing up literature though, the first Harry Potter book was ok, but certain personality traits of the author started getting amplified with her Rock Star like success. Harry was much more charitable in the first book compared later ones.