[runawaybottle]

China may not be as concerned about uncontrolled population growth anymore due to their broader strategy of exporting their workforce:

https://qz.com/africa/1963566/how-many-chinese-workers-are-t...

[riffraff]

that is not really "exporting". If you export bananas, the bananas do not come back to you, while these workers are only temporarily abroad, they're not (for the most part) emigrants who moved there to stay.