Musk has most of his wealth in Tesla stock. That will skyrocket if his substandard self-driving tech is allowed to be used in unattended autonomous taxis.
Instead of selling cars, he'll sell a service. Instead of selling a car costing $40,000, each car will make that in a few months.
Thing is all that crap can be stitched together by 12 year olds in Alabama instead of 12 year olds in China.
I don't think he can really comprehend a chip fabrication plant costing 10 times his entire net worth. He probably thinks that what they make in "Silicon Valley"...