He hasn't taken quality control seriously in any of his ventures, that is why they are all get-rich-quick schemes.
Reply, don't just hide the truth of Musk avoiding responsibility.
Why is the mathematics profession dying?
Fixed that for you. Short answer: It's not. Long answer: Purists don't like applied mathematics, but the modern world is applied not theoretical.
"Pay no attention to the man behind the curtain." -- The Wizard Of Oz