Fred Brooks proved in 1975 that adding people to a software project makes it slower. It took 51 years and AI coding tools before companies started acting on it. The math from The Mythical Man-Month still holds. Communication channels grow as n(n-1)/2. A team of 10 manages 45 channels. A team of 100 manages 4,950. Every new hire adds output linearly and coordination cost quadratically. For five decades every exec read that book, nodded, and kept hiring anyway. Headcount was the currency of…