Very true but somehow Wall St. is valuing Tesla very differently than they valued Amazon 15 years ago. Tesla's stock hasn't gone down that much, there's volatility but not the near 100% crash that struck Amazon. On the flip side, Tesla has needed a lot more capital than Amazon and they have issued a lot more shares to raise that capital (close to 12B now). I don't think Tesla's stock price, despite it's volatility reflects it's debt economics.