Plenty of social reasons: people like sending their kids to Canadian/USA schools, and it acts as a status symbol. There's also a bit of the emotional security

Plenty of social reasons: people like sending their kids to Canadian/USA schools, and it acts as a status symbol. There's also a bit of the emotional security blanket that if things go to shit in China, an owner would be able to seamlessly move to the other side of the Pacific. Though that's often overstated IMO.