Ok? You act like they’ve had decades of success. Even if they are successful, how long will that last once they lose their OC?
Really your whole point is moving the goal posts. There is no argument that refutes the Saints play on field turf and a temperature controlled stadium. What does that help the most besides kicking? Passing. Who’s best suited to build a passing oriented offense? A former QB who is adept at passing concepts. It’s a simple concept. Build your team starting with your natural advantages.