According to some reports, Chinese nationals who work on PoGo have been deported, which also left some problems like having a Filipino child.
Pogo has lots of issues, not only illegal activities.
I don't know why they do some illegal activities if their casino earns a lot? Human rights, illegal drug trades, there are many reasons why they are forced to be closed.
No wonder it got closed if they are doing so many illicit activities. May be what they earn from the casino is not enough for them.
Or may be the casino is just a front picture for them to represent themeselves and from the back they are carrying out their illegal activities.
This syncs with the reason they are hiring Chinese people instead of their own citizens so that they can blackmail them if anyone decides to go against them.
Besides that, taking an employee from outside of their country is not too expensive rather than hiring their citizens. So they run businesses for human trafficking that can also be used to becomes their employee.