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You're a power user unable to understand the needs of non-power users. We all go through that stage, it's natural. I once installed Linux on all my siblings' desktops because I had convinced my parents it would lead to "less viruses" (Fedora 13, I think, GNOME 2, those were the days). The nightmare of providing support for that over the rest of my high school years provided me with a powerful and important lesson. Yo…
How was the old school control panel not better for non power users? Everything in one compact and intuitive display with understandable icons and a description of the icon in the English language. I'm confused when I try to change or navigate settings in Windows 10 or in modern apps in general where there's an array of icons with no description. I can memorize what the hamburger means but beyond that is too much!
They never opened such panels, they don't read error messages, they just say "the printer doesn't work". If the "Add Printer" button doesn't work it's all over for them. The only thing you can do is make the "Add Printer" button as good as possible.
The least common denominator is so much lower than you think it is. It's why Jobs and Timmy Apple worked so hard to eliminate the concept of the "file system" and make everything built around the concept of the "app". These abstractions that seem intuitive to power users and technical people are nonsense to the much larger market of push-button users, and that's where all the money is outside B2B enterprise.