Mental illness can happen to anybody. You can be a dustman a politician a Tesco worker... anyone. It could be your dad your brother or your aunt.
Widespread state control over art and culture has left no room for freedom of expression in the country. For more than 60 years anyone with a dissenting opinion has been suppressed. Chinese art is merely a product: it avoids any meaningful engagement. There is no larger context. Its only purpose is to charm viewers with its ambiguity.