A strong consideration in our purchase of our current car (2017 Ford Edge Sport) was the dealership, in addition to the car itself. One reason we stopped buying the Honda/Acura line was that those dealers in our region are notorious for poor work and high costs. We used an independent who only worked on Hondas/Acuras, but after a decade or so, he moved out of state so we haven't owned one since.
Sadly, the dealership who sold us the Ford eventually decided to focus exclusively on Subarus, which are good cars but not a brand I care for. I detest CVT transmissions, plus Subaru (like most of the Japanese cars) has a terrible infotainment system, even to this day.
We switched to a dealership which is a bit of a drive to reach, but has outstanding service and staff. Now that the car is out of extended full-service warranty (well worth it), we did find an independent service shop that we are happy with, and will use them for standard maintenance.
For certain items, however, the dealership service is still necessary - we need to have the GPS map updated and a 'grab handle' repaired.
Do we know a good amount about the workings of a car? Yes. Are we interested, at our ages, at doing the work (especially considering we don't have the tools and with osteoarthritis of the hip, find kneeling and then getting up REALLY painful)? Absolutely not. We have better and more enjoyable things to do with our time.
I think it's great that there are still so many who enjoy working on their cars. One of my friends loves it so much, he's a multi-millionaire but his hobby is to buy a dilapidated classic roadster and restore it. Then he sells it and finds another for a new project.
Different strokes for different folks, a saying that will always be true!