If you look at the original trilogy ,although Lucas was the main driving force behind the movie he was surrounded by a whole lot of really talented people who each helped guide the films to success, Lucas sought feedback from his peers Spielberg, Coppola, Depalma as well as the Gary kurtz's , Laurence Kasdan's etc. they were truly a collaborative effort, compared the the prequals where Lucas surrounded himself with a team of yes-men that were so excited to be working on a Star Wars film that they never challenged any of his lame-ass ideas.