Second, you are still obligated to help your fellow country men. We live in a connected world, just mind your own business will not help you in the long run. If you don't want to help, it actually defeats the purpose of going aboard.
In summary, if you want to look the benefit of going overseas from pure business point of view, you are almost guaranteed a loser crown. You get less and pay more. But I, for one, will ware that loser crown as a badge of honor. I don't regret a bit of the path I've chosen.