Then what, Tesla owns their own repair and maintenance service? That also costs money.
Ultimately, you’re going to accept that there’s no way around some of the cost of running a car company. If you won’t accept it, then there’s nothing I can say to change your mind.
Also, most of the numbers can’t be trusted. It’s known as “regulatory capture.” And they’re probably not the only one. Likely many companies have doctored accounting numbers these days. If anything, this is a huge problem in business today.