My guess is that Elon realised that rockets are hard and handed the important decisions over to the experts (namely Gwynne Shotwell and Tom Mueller) who were ab

My guess is that Elon realised that rockets are hard and handed the important decisions over to the experts (namely Gwynne Shotwell and Tom Mueller) who were able to start from blank paper. At Tesla on the other hand we have a business that seems a lot simpler at first blush, with Elon reportedly terminating or driving away anyone who disagreed with him. Now Elon has finally admitted that fully automating their first large scale assembly line was a bad idea.