Earlier quoted context omitted.
No one is complaining A is not B. Everyone is complaining that macOS lacks some fairly basic UX options and is being neglected by Apple which corrects these flaws at a glacial pace.
On a tangent, I don't see what's wrong with complaining that A ≠ B. Complaining is just the precursor to voting with your feet, and having more or less than competitor offerings is a natural point of comparison in a customer's mind.
The Mac’s thing has always been resizable overlapping windows with a menu bar at the top of the screen. If you’re hoping for a great tiling window manager, you’ll be disappointed. You can kind of get a poor man’s tiling setup with some hacks, but it’s not what the platform is about.