Aestheticly to each his own. Maybe I'm used to KDE aesthetics. But KDE-on-Linux far outshines the Mac for window management, copy-paste via highlight, Always-on-top, mobile phone integration (KDE connect), keyboard control, accessibility (especially Sticky Keys), keyboard language switching options, click handling in background windows, proper readline support in bash and zsh, integration with third party software such as Emacs (I practically live in Org mode), proper handling of multiple users on a single machine, and so many other things that I just can't think of right now.