This case will keep repeating itself and get worse as the Chinese Economy tumbles. It's happening at my carrier and others in the same region all the time. Combined with horrible ATC airspace management and "flow Control" delays and then to put up with this is abysmal. There seems to be no Policing on this issue in China. 1963 Tokyo convention doesn't count in China. There s no protection for crew or Pilots, especially if you do something wrong. Not even AFAP connections will help you. The Chinese PRC pax are different breed, and are used to getting their own way.
If I were the crew I would take up legal action against the Airport for failing to provide security.......
Impossible in an Autocratic State though....