Actually, thinking about it, what is the point of having a separate console OS at all?
8th-gen Xbox launched with Win8 and later moved to Win10. I think 9th-gen Xboxes are still on Win10. But they take that PC version of the OS and dumb it waaaaaay the f*ck down, and I think that's what you would like to avoid, yes?
It's already x86 hardware. Just make the Xbox a standard form factor compact low end PC intended for gaming, and merge the two ecosystems such that users can choose a gaming centric "big screen" experience much like the Xbox interface, or switch it to PC mode.
I feel like Microsoft already does this merging of the ecosystems (although in a way we do NOT like) with UWP apps/games via their Xbox/Windows Store, XPA-enabled games, and also GamePass. And with that "big screen experience" you mentioned, you're thinking more along the lines of Steam Big Picture Mode right?
Blurring the lines between PC's and consoles could actually make things really interesting.
You mean sorta like the Steam Deck and the ASUS ROG Ally, which are still full-blown PCs but can be treated like consoles essentially? Steam Deck lets you choose between the normal KDE Plasma 5 Desktop and a more streamlined, gaming-focused Steam-UI-based experience. Again it's kinda like switching between Steam's normal UI and its Big Picture Mode UI. The ROG Ally just runs regular Win11. Both feel almost like having a soft-modded console, except even more extreme, cuz you got the full freedom of PC.
I'll never have any controller on my PC...
Cuz the only types of games you play are first-person shooters, and a controller is by far the
wroooong input method for that.
...but if they allow mapping of standard USB keyboards and mice to controller functions on consoles it might actually make consoles usable for low end gaming.
Or you know, just natively f*cking support mouse and keyboard to begin with (which Xboxes already do, and some games like
Halo MCC and
Halo Infinite let you use mouse and keyboard on console to play those games just like on PC, and even going back to systems like PS3 where you could use mouse and keyboard to play
UT3, or Dreamcast where you could use mouse and keyboard to play
Quake 3).