They gave their money for a Cybertruck, and the liquidity from those reservations was most likely use to posture company assets/P&L, earn interest in a treasury, and whatever other financial weasel techniques that the lawyers and financiers of the world's first trillionaire - Elon - have in mind to use.
Customers didn't get that, and instead had a hold on their money for reasons and means BEYOND receiving the particular commodity that they offered their money for. Forget the pro-regulation and antitrust crowds being discussed in this comment section, you'd be hard-pressed to find even a Laissez-Faire economically-right individual that sleeps well to that notion.
I'm pretty confident in saying it's far from zero.
tesla will screw everyone involved, but they shouldn't. those excited early birds were the primary advertising campaigners.
Since when did "Full Self Driving" not mean full and not mean self?
Other countries are more lax about what words mean.