China faces civilizational collapse as its population plummets toward 330 million by 2100, the steepest peacetime decline in history. No country has successfully reversed fertility through government policy, and Beijing's pronatalist measures like mandated epidurals and IVF subsidies miss the real problem -- young people trapped in economic stagnation, gender inequality, and deep societal pessimism are choosing to be the "last generation." This closing demographic window may push an ambitious regime toward dangerous external aggression before it's too late.