Earlier quoted context omitted.
And yet not having a presence on the desktop stings a bit doesn't it :). You can conquer the world, dominate every space and yet there's thus little voice inside saying "but you're not good enough. See over there, in that one space, you're a weakling. " Welcome to the human condition.
Let’s not pretend it wouldn’t be good if I could run Linux on the desktop the way we run MacOS. It would be great to only have to learn one OS and it worked really smoothly.
No, not really.
You can't make things smooth and flexible at the same time, it takes too much effort. You can't support a ton of varied hardware and make everything work smoothly in every case; it again would take non-viable amounts of work.
You can have a pretty smooth desktop Linux experience if you pick a large mainstream distro, pick reliable, well-supported mainstream hardware, and pick a polished desktop environment such as KDE or that Gnome variant of Pop OS.
But if you want to tweak things, you've got to tweak things.