Simply that we are mirroring the trends in society, at any given time smuggling was an issue in the seventies, corruption is an issue today, and we faithfully reflect those issues.
China is a developing country with a huge population, and also a developing country in a crucial stage of reform. In this context, China still faces many challenges in economic and social development. And a lot still needs to be done in China, in terms of human rights.
The return of democracy in our land has indeed thrown the problems of development into bolder relief.