For the last 50 years, any director would gladly welcome Steven Spielberg onto their set, just for the chance to shoot the breeze and pick the brains of one of cinema’s greatest directors. Even in his younger days, his reputation as the wunderkind who single-handedly transformed the very nature of the industry with Jaws would have given him the leeway to go wherever he pleased, especially when that production was shooting on his erstwhile home t…