Its beside the point of the article, but its hard to believe now but not very long ago simply being an economic refuge wasn't enough to gaurantee a life in the US. Now it seems to be the only reason. The upshot is I think the only emotional tie many new residents have to America is they think its a good place to make money while they pine for the really 'good life' back home.
I guess I'm a little more hardline about this because here in CA I've so often run into 'legal' newcomers who apparently have nothing good to say about my country & countrymen.
That persecution includes murder and prison camps, blocking of food, destruction of homes and farms, etc.