GNOME: nearly all the apps use GTK and look uniform

KDE: nearly all the apps use Qt and look uniform

basically every other DE: nearly all the apps use GTK, Qt, or something else and look uniform

macOS: most of the apps look uniform

windows: we don't NEED standards, we're MICROSOFT, if you want a standard toolkit then FINE, use this one we haven't really updated since windows XP except for putting a new theme over it, but why not just use ELECTRON