go further. Chinese have/had a one-child policy. Anchor baby sponsors the parents’ citizenship. Anchor baby has an excellent chance of getting University-level education in the US, as opposed to China, where a 94% is as good as an F, the competition for seats is so high. If something happens to one-anchor-child, the parents have no one else to care for them. What better way to secure a comfortable future than with American medicare? So anchor babies secure two benefit sets - one for the anchor baby and one ensuring autumn of life care for the parents. And that is why illegal and anchor immigration is not revenue-neutral.
That is a valid point. China hasn’t applied the one child policy to children born outside of its country. That’s one reason why so many married couple grad students at our college had two kids in two to three years ...