You'd be surprised how many people I see in daily life who like it, mainly my students but some fellow staff colleagues, too. They use it as a concentration aide.
Window management on macOS sucks so bad. I'm glad they tried to "fix" it, but I don't really like stage manager either.
Have you tried yabai?
I had it starred on GH but never tried. I'll give it a shot.
I daily drive stage manager. It's made me quite a bit more productive.
Ah. Such a good thing to be devoid of any disabilities! A bug is not a bug if you can turn it off after you explicitly turned it on ;-)