That's the thing. These are mostly overseas Chinese working for US/European companies who have no desire to return to China. Talk to any of them, and they're always concerned about the status of their visa and are ecstatic when they become a citizen of a democracy.
> China isn't 'Closing up' they are pushing people to use the services
Tencent and Baidu are used by tiny tiny tiny portions of westerners
> Unless the US, Canada, France, Israel etc... closes the visa program
There's no need, these Chinese students are staying and not returning to China.
By the way, since you think China is doing such a good job of education: remember that Rural households have a per capita income of only 9,892 yuan – about $4 dollars a day. and there's 680 million of these rural households still.
"Surveys by Rozelle's team have found that more than half of eighth graders in poor rural areas in China have IQs below 90, leaving them struggling to keep up with the fast-paced official curriculum"
http://www.sciencemag.org/news/2017/09/one-three-chinese-chi...