There are only a handful of people in this world whose hearts are presumed to be so pure that they are beyond reproach. The Dalai Lama is one. The Pope is another. And Mother Theresa was one before she died. And of course Ghandi too.
Yet here is an article that says that the Dalai Lama would have been better off leading a violent uprising against Tibet's occupiers (China) than the current peaceful protest method. It's an interesting theory.