Are Hollywood producers and directors highly functional, unique or do they just delegate?

How do Hollywood producers and directors make such large movies and long-running TV series? I mean if I had to direct Transformers 2007, like Michael Bay, I think I would have a nervous breakdown! And how does Jerry Bruckheimer produce several TV shows %26amp; movies?



I want to know: mentally, how do they cope? Are they highly functioning? Have a team of PAs? Do a lot of drugs %26amp; drink? Surround themselves with the best they can afford and then delegate as much as possible and hope for the best?Are Hollywood producers and directors highly functional, unique or do they just delegate?im sure they have help...