But it's hard to just live a normal life in limbo, with all the implicit threats.
Do immigrants have in all cases a home country to go back to with a better trade-off in this regard than the United States? As long as some countries are sufficiently lousily governed, the United States will always have a ready supply of some kinds of immigrants. The article's point is correct that persons who are able to set up new businesses with new technologies probably have better capacity to shop for a country to live in than most migrants.
Yes, but some previously lousily governed countries like China and India have become much better options than they were even ten years ago. The goal is not to have "some kinds of immigrants", it is to have the best.
Not to mention that many of the "best" immigrants (i.e. highly trained, highly educated) have come from first-world industrialized nations to begin with. Political instability and threat of mortal danger is not the only thing that compels people to move.
Do immigrants have in all cases a home country to go back to with a better trade-off in this regard than the United States? As long as some countries are sufficiently lousily governed, the United States will always have a ready supply of some kinds of immigrants. The article's point is correct that persons who are able to set up new businesses with new technologies probably have better capacity to shop for a country to live in than most migrants.