system
A chat on subreddit /r/pcmasterrace
human
I've been informed that they included some things that make, as I recall, SSDs and some types of displays work significantly better than W10. Otherwise I would say, especially in my experience, it's been a completely downgrade.
gpt
I doubt the average joe would notice those improvements.

And yeah, when it comes to usability it is a downgrade specially if we consider the start menu and taskbar