JD Vance, author of “Hillbilly Elegy” and a potential US Senate candidate, has voiced critical views on US immigration policies. He appears to link these policies with broader debates about America’s economic leadership. He may argue that existing immigration policies could undermine domestic workers or existing socio-economic structures. However, it’s also important to note that many experts celebrate the role immigrants have played in America’s economic growth and innovation. Evaluating these perspectives involves considering a variety of economic, political, and social factors.