She is a naturalized American citizen. She never has to go back to China.
If this escalates, and the protesters seemed determined, while China is trying to place them as some sort of terrorists while gearing up their army, Disney is not going to want to be seen as supporting mass murder of people. I don't care how much money they make in China. I don't care if they have two theme parks there. This has been trending all day. Imagine if something even more serious happens? How do you think that will play anywhere other then China?