It looks like we have an answer as to why they dropped the Tibetan character -
MINEFIELD: To avoid the wrath of the Chinese, Hollywood is changing a Tibetan man into a European woman, to be played by actress Tilda Swinton, in the film adaptation of 'Dr. Strange.'
http://wtop.com/movies/2016/04/movie-doctor-strange-turns-tibetan-man-into-european-woman/
While the Ancient One was written in the comic book as Tibetan, “if you acknowledge that Tibet is a place and that he’s Tibetan, you risk alienating 1 billion people,” screenwriter C. Robert Cargill said in a podcast interview with the Texas-based DoubleToasted.com.
There was, Cargill said, a risk of “the Chinese government going, ‘Hey, you know one of the biggest film-watching countries in the world? We’re not going to show your movie because you decided to get political.'”
MINEFIELD: To avoid the wrath of the Chinese, Hollywood is changing a Tibetan man into a European woman, to be played by actress Tilda Swinton, in the film adaptation of 'Dr. Strange.'
http://wtop.com/movies/2016/04/movie-doctor-strange-turns-tibetan-man-into-european-woman/
While the Ancient One was written in the comic book as Tibetan, “if you acknowledge that Tibet is a place and that he’s Tibetan, you risk alienating 1 billion people,” screenwriter C. Robert Cargill said in a podcast interview with the Texas-based DoubleToasted.com.
There was, Cargill said, a risk of “the Chinese government going, ‘Hey, you know one of the biggest film-watching countries in the world? We’re not going to show your movie because you decided to get political.'”