Qatar's entire startup ecosystem raised $11M in venture capital in 2023. This new program writes single checks of $5.5M. One company can now land half the country's annual VC flow just by agreeing to move to Doha. Here's the mechanism underneath it. Cities with real startup density charge you to be there. San Francisco collects it in rent, New York collects it in salaries, and founders pay gladly because the customers, talent, and capital are all within a mile. Cities without that density have…