> The arrangement alarmed some longtime investors in SpaceX, including its largest outside backer, Peter Thiel’s Founders Fund, some of the people said. The investors learned in recent months that despite the diversion of SpaceX resources and staffing to the fledgling Boring startup, it was Musk who was in line to receive almost all of any future profits, these people said.
https://www.marketwatch.com/story/new-questions-over-elon-mu...
> In early 2018, The Boring Company was spun out from SpaceX and into a separate corporate entity.[27] Somewhat less than 10% of equity was given to early employees, and over 90% to Elon Musk. Subsequent concerns by SpaceX shareholders resulted in a December 2018 reallocation of 6% of The Boring Company's equity to SpaceX.
https://en.wikipedia.org/wiki/The_Boring_Company#History
Basically he tried embezzlement.