Americans had money to burn, and our cars, houses, and nearly everything else reflected that, including expensive Palm Springs modernism architecture, Danish furniture, and flamboyant cars like the corvette.
Great things are done with small teams, a skunkworks. I’ve always worked in a small team from my times working at Porsche and then Volkswagen / Audi - always small teams. So, what I think it does is it pares down all the fat. Everybody becomes accountable.