Capex escalation inverts free cash flow: cash reservoir split by a spend-growth deceleration gate Operating cash flow revenue + margins grow Spend-growth deceleration gate FCF converts only when spend growth decelerates past cash generation cash generation Capex spend 2026 spend up, $200B+ noncancelable wall Free cash flow thin / negative 2026 sell-side projection Free cash flow re-converted positive flow returns cash drained below