Lockdowns in Shanghai and other Chinese cities pose a growing threat to the economy
https://edition.cnn.com/2022/04/08/business/china-shanghai-covid-lockdown-economic-impact-intl-hnk/index.html
Since Beijing takes pride in the way, it will be difficult to change their policies without giving decent reason for stopping zero-Covid strategy.
The worst scenario Beijing can cause is that the communist party try to divert complaints from citizens to other nations, and begin war with other nations.