I don't think KDE was ever serious, especially considering the mascot was initially some old bearded wizard in blue robes, striped socks and slippers with fishbones in his pockets[0] :-P.
But the theme was way more neutral than most themes today that could work to anything from serious applications to games - similarly with Win9x.
But the theme was way more neutral than most themes today that could work to anything from serious applications to games - similarly with Win9x.
[0] https://upload.wikimedia.org/wikipedia/commons/c/c0/Kandalf_...