KDE is an experiment to pack 20 big things in a bag that can only hold 5 things. Then add one more thing in next release. And make every pixel clickable.

Care to point out what improvements KDE 6 has got that isn't something that's already been done in some other DE or OS, and isn't a bugfix or polish?

I haven't daily driven KDE to see what it's truly like, but from a distance it doesn't seem to be doing anything revolutionary or truly new, but I'd love to be proven wrong.