A boss asking you what you did all week, once a week isn't micro management. Can you think of any job where you don't update your boss at least once a week.
But then most multinational companies haven't been loosing millions of $ every day.
I've worked for two multinational companies (or ones I would consider such). I was on a first name basis with both CEO's. They weren't overbearing, but I knew them as people I could go to if I really needed to.
He's more hands on than most CEO's.
Don't get me wrong, working for Musk sounds like hell for someone who gives a crap about his work/life balance. But, I don't find the idea of emailing a status report weekly, overbearing.