It's not just that east Asia is not much welcoming to immigrants, also the opportunities offered are much different. In addition if you have to move away with y

It's not just that east Asia is not much welcoming to immigrants, also the opportunities offered are much different. In addition if you have to move away with your family/from your people 1000km you might as well just move them 7000 more and be in a country which also speaks English and that offers social programs, free studies and other benefits.