You could ask the same of many of the responses. All of your examples are "strong" responses that reassure the public, like the flight restrictions which public

You could ask the same of many of the responses. All of your examples are "strong" responses that reassure the public, like the flight restrictions which public health experts have argued against. By the way, public transport is, and has continuously been, running in most cities in China, and people in many cities (I have direct knowledge of Beijing, Shanghai, Guangzhou, Shenzhen, Zhuhai) are now slowly returning to normal life.