It sure was! They had some troubles delivering the very first Roadsters and Elon had to use his own money to keep the company afloat (also SpaceX) and continue making payroll.

> A 10% miss in sales results in Billions in losses.

Well that's how the market inherently works you know? Tesla vehicle sales have also been rising year-over-year so your 10% miss does not apply.

like you said in 2008 there wasn't anything there. They lose millions the whole company dies

now Tesla operates in billions of dollars. They lose billions it's still only 10%