Re: The layers keep piling up
Maybe changing an injector was that simple 20 years ago, not so much these days.
> I own a car it is my duty to know how it works.
I doubt many people have the time or mental capacity to apply that principle to everything they own. Knowing how something works is - very obviously - not the same as being able to repair it; how far down the rabbit hole do you think people should be expected to go, I wonder?