I updated my gaming machine to 11, just to see what it's like, and it's pretty rough. I'd go so far to say it's pretty terrible in a lot of ways. Like, core functionality, that's fine. Everything works. But the fit and finish is so bad I get embarrassed on behalf of whoever programmed it whenever I use it.
For instance, switching desktops is just ugly. It's a four-finger drag on the trackpad, but it's so painfully janky and slow, and half the time the animation gets stuck for a second or so with the screen split down the middle between the two desktops. If you use the Windows version of exposé to select a desktop, there's no animation at all. It just dumps you onto the new desktop and you can see things like the wallpaper and windows "pop" in. It's ugly and jarring. On the Mac that sort of thing is smooth as butter.
Also, the interface is wildly inconsistent. Windows 10 wasn't much better, but 11 is just a train wreck. They clearly released it before it was ready.
I don't mind using it for gaming, but for anything else it just feels wrong. It feels the way Linux used to feel many years ago, as if it were designed by several committees that all seemed to hate each other.