On any Windows release, you can switch all of those off, and GPE out the update channels for non-system-critical changes. Windows Enterprise doesn't even get the so-called 'fun stuff'.
Every other onboard tool or software wastes space to advertise for some AI or office subscription. I wasn't able to disable that at all.
And for notifications there is seems barely any control at all. All software is able to constantly nag me with weird notifications.
You make it sounds like I could just turn it off, but I googled a lot and turned out I can't. But maybe it's just me?
Guess that's like adblock these days. You need domain specific knowledge or you get not what you expect.