Earlier quoted context omitted.
> If there be anything that can ever steal the spotlight from Mac; it would be Haiku. I looked at the Haiku slideshow and I'm not seeing this. It looks like an eye sore, desktop environments familiar of the 90s. Even early OSX is a massive improvement (as it was to the NeXT desktop).
I agree, it's arguably clean, and definitely an improvement over Windows 98 era GUI, probably also XP era. But the world has moved on. Even KDE looks better today.
IIRC you can even configure custom colors, have dark mode, etc. It might look dated with the gray color scheme but that's really the only thing I can guess would look dated to someone.