If you are born and live in the US, how could you possibly not be "subject to the jurisdiction" of the United States? Likewise, if you are born in the US to tourist parents who then leave the United States with you, how exactly are you supposed to "collect benefits"? And even if you are "collecting benefits", to be a citizen you'd have to also be paying your taxes, which should entitle you to said benefits.
Where exactly is the unsustainable part of this?