I really don't get where this meme of "impulsive, erratic, hotheaded Musk" comes from given he demonstrated ability to stick with a business in the toughest of times.
Tesla was literally days away from bankruptcy at one time and Musk made it work.
After first 3 failed launches he was about to run out of money and yet he financed another launch, which worked.
He hasn't had a business failure yet.
Is that a guy who gets bored and moves on to something else?