It shows how some of Musk's wealth has come and was still expected to come from taxpayers before the plans were put on hold.

The case is a reminder of how much of Musk’s wealth comes from taxpayers. His companies have government contracts worth hundreds of millions of dollars a year.

Musk spoke at a conference and alluded that Optimus could be a $200 trillion business someday. That's multiples larger than the $10 trillion he suggested more rec