The growth part of Tesla is the increasingly large promises of snake oil Elon can spin.

That's what many said when they were ramping the S/X, the 3/Y, and energy storage.

https://www.wired.com/2009/10/audi-etron/

That doesn't mean they can't make a mess of things all by themselves. But comparing their infra investments/growth strategy to snake oil when they've gone from nothing to $100 billion/year in 15+ years might be short sighted.