I feel the opposite. Maybe it's a matter of the software I use? I find OSX to be clunky and obtuse, filled with notification spam and weird windowing behavior.

I feel the opposite. Maybe it's a matter of the software I use? I find OSX to be clunky and obtuse, filled with notification spam and weird windowing behavior. Linux desktop (Cinnamon in my case) gets out of my way and let's me work. That said, the Pi _really_ is not up to the task. It can be made usable by booting it from an SSD, but it remains somewhat underpowered and has a lot of trouble running even moderately heavy utilities.