People mostly don't have the resources to even get to another country. A country where most of their established social network won't be able to help them. And

People mostly don't have the resources to even get to another country. A country where most of their established social network won't be able to help them. And for example, in the US, if you don't speak English or Spanish it is going to be difficult to get unskilled work (understood that there are some places where other languages would work, I'm characterizing the overall situation).