This isn't meant as a general-purpose immigration option, and there's no reason to expect it will appeal to everyone (it's not supposed to). It covers a small

This isn't meant as a general-purpose immigration option, and there's no reason to expect it will appeal to everyone (it's not supposed to). It covers a small corner case that is not covered by existing legislation, and it's separate from the larger issue of immigration reform. What you propose is an easier solution for prospective immigrants, but much more difficult politically.