On: Settings are not a design failure

[userbinator]

In fact, no proprietary OS offers different colors other than some accent colors.

Either you're very young, or have some agenda. Scroll down to the Windows section here and observe all the customisation we have lost over the years:

https://guidebookgallery.org/screenshots/appearance

In particular, look at this:

https://guidebookgallery.org/pics/gui/settings/appearance/wi...

Windows 1.01 already let you change the colours of almost every UI element.