Your discounting of the budget factor among many others is brave. Many hardworking directors with high expectations have very different priorities, some which are simply big distractions from producing a quality production. This “be relaxed and chill to make a good film” idea is delusional, but its not necessarily wrong as much as it is just nonsense. And the ability to merely plan and execute plans, regardless how good they are, depends tremendously and straightforwardly on budget.