I've once criticized Lang Lang's character judging from the interview he had in regards to accessing his opinion on the Chinese girl lip syncing to the Olympics singing performance. The West went viral crazy against China's ethics. Lang Lang's refusal to comment stripped him of having any moral stand, becoming a mere entertainment puppet.
Now that my thought has matured a bit, I will add, a defense for Lang Lang. He could easily have replied:
This is a question for Hollywood actors, go ask them!