KDE defaults used to be pretty ugly, but it has gotten quite a bit better.

Still a little on the ugly side to me, but KDE is really what you make it. Quite literally everything about its UI and behavior is tweak able in settings (and unlike gnome, KDE provides a GUI for all of these settings...no hunting around in dconf).

I used to prefer macOS, and still do to an extent, but Tahoe does not give me hope and I'm using my Linux laptop more and more. UI inconsistencies bug me, but Tahoe is full of them, so if I'm going to have to deal with it either way, might as well go Linux.