> Why does it seem like such "macOS bad Linux good" comments always compare the default macOS experience to a personalized Linux environment? > > Why does an out-of-the-box Mac have to fulfill the same requirements we spent hours configuring for on a Linux machine?

Pretty much all of their complaints are addressed out of the box by most of the major desktop environments. Install whatever popular distro of your choice and you can trivially put two windows side-by-side like you can on Windows.