Why Vietnamese like the pay outside Vietnam

Mixed reasons.

The reason I like Canada is because of the open space and wideness.

I get paid alright but the wide openness is great/good.

…

You can see that the land up North can be developed and more developed.

Houses and streets could be demolished with the abundant money from natural resources.

Basically it is not overpopulated and things can be easily changed. The population won’t mind if the roadway needs to be bigger.