There is no industry norm. KDE, for example, follows the approach described in the article. In fact even Windows has some control panels designed that way too (

There is no industry norm. KDE, for example, follows the approach described in the article. In fact even Windows has some control panels designed that way too (though Microsoft still cocked it up be creating multiple different settings applications each with overlapping utility yet somehow differing support for configurability thus leaving left to Google how to make even some of the simplest of changes).