if you're a foreign passport holder, you should leave China as soon as it's possible, before things get worse.
I know there's the temptation to think 'This will blow over' and 'The pendulum will swing.' But things are going in one very clear, and very bad for you, direction, and the pain and cost of leaving now will be less than the pain and cost of leaving later.
I once found a cache of the last English newspapers in Shanghai, and you could see lives unspooling on every page. foreignpolicy.com/2019/01/03/las…
