“So, what do you think the Chinese are doing with the 50M+ quarantined areas?”
Enforcing a travel ban.
Here is an actual article for you to read, if you can.
https://www.nejm.org/doi/full/10.1056/NEJMp2000929?query=featured_home
“Enforcing a travel ban.”
Ie, crashing their economy.
Why would they do that?