There is a common misconception that the Constitution mandates that the US government grant citizenship to everyone born within the borders of the United States.
As people from Generation X move toward retirement, they are starting to understand that Social Security really is in crisis and many public pension plans are underfunded. Furthermore, they find that inflation is eating through their retirement savings. This won‘t end well.
In Europe, the working poor subsidize the nonworking poor. Meanwhile, the welfare state is destroying worker productivity and limiting economic growth.