Well that and it’s usually cheaper to buy screws from a company that makes billions of screws vs trying to do it all in house.
One reason Tesla costs so much and is one of the challenges in their engineering and creation is so much of it is done in house and so the scale of production is limited.
I remember hearing a similar story when the Ford Escape was a newer model (2001). I was shopping for a car, and the number of recalls was so high, it seemed like they chose that name for a reason. So, I escaped from the dealership and bought something else.
Say, whatever happened to those millions of Japanese cars where high-end steel was specified, but low end steel may have been supplied and the records were falsified?
A buddy of mine had this old shitbox of a car, and the steering wheel was no longer actually bolted on. It stayed there by means of friction and gravity, but if you gave it a tug, it would come right off. He used to carry a wrench that fit the central bolt thingie, which he could alternately use to steer with.
So every once in a while he’d be cruising along with someone who was not aware of this little quirk. He’d say “hey- can you take the wheel for a second?” and when they replied, he would pull the thing right off and hand it to them while quickly popping on the wrench.
Since nobody died, it was always good for a laugh.
A mistake is a mistake whether it is common or not. If you spell a command in a program incorrectly, the program will crash, and folks have no problem with accepting that. A news article is a program for introducing data to the readers’ brains; debug it before you run it.