Why does it matter who they're hiring or where? The amount that you are willing to pay someone is a(n imperfect) reflection of how much value they're giving you

Why does it matter who they're hiring or where? The amount that you are willing to pay someone is a(n imperfect) reflection of how much value they're giving you. People who benefit the most from these immigrants should be able to get them. I agree that it's imperfect, but surely it's better than literally distributing them randomly.