It's hard for people who don't know about the history of China (sorry staticfish for making this assumption) to understand why it behaves the way it does now. The century of humiliation and the civil war (not to mention Japanese invasion) has left its mark on the Chinese psyche. The one thing they learned from all that mess was that China had to be 'one', dissidence could not be allowed; otherwise there would be constant bickering and infighting. Although surely they're repressive, there's a reason for that which is not pure malice and evil