"knowledge", more like "marketing propaganda".

Apple's popularity is largely due to its marketing power.

Dozens of crappy computers sitting in my storage disagree. Lenovo Thinkpads (even back in the IBM days), Dell, HP, Acer, and on and on.

I've used perhaps hundreds of computers in my life and possible evaluated thousands. Many were OK. Some were pretty good. A few were great.

Apple's products aren't perfect, but they were "better" enough.

Mind you, I don't worry about repairability as much as "Is this computer functional and useful to me?"

And yet every Apple product I've ever used was pretty below average and absolutely normal things like nice keyboards, and mice with useful buttons. Their laptops, for example, often lack absolutely fundamentally basic things like common ports. And there are no replaceable batteries! As far as I'm concerned, their stuff is half baked at best.