7 billions and no face is exactly the same... damn sure the Large majority doesn't want what you want...
But yes there are common denominators, but those tend to be very small and restricted...
Users want some more (or more) consistent look & fell... "I THINK SHOULD BE ALLOWED OR BETTER SAID FACILITATED", and as i POSTED ABOVE, a minimal set of issues;
hey! KDE, hey! Gnome, hey! Mozilla, hey! Libreoffice... (etc) its not for notoriety is not to discuss better code, its not for my project gain... "ITS FOR THEM"... THINK NOT PERFECTION... BUT FOR SURE THERE ARE SOME BASIC THINGS WE COULD AGREE FOR THE BETTERMENT OF THEM AND US
That is a "Free Leader"... else, "free" is an empty word in the mouth of a fundamentalist sectarian kind of priesthood.