https://www.businessinsider.com/decline-china-international-students-economy-universities-trump-biden-immigration-covid-2022-8
https://www.businessinsider.com/decline-china-international-students-economy-universities-trump-biden-immigration-covid-2022-8
The fact they were studying in western colleges mean they went thru some very serious selection pressures, I doubt they'd even be representative of 5% of the Chinese population
There's A LOT of not very selective Western unis that will happily take mediocre foreign students.
That's never been a problem, all the selection pressures involve money
In particular if those foreign students come from countries that the university don't have many prior agreements with, as this usually means that they get milked for all the cash they have.