It's winning the backwards compatibility war on every possible front.
- XB1 gen games have already exhibited far fewer issues on the XSX than PS5 (both are afforded 100% compatibility on paper).
- X360 support exists on XSX with several hundred titles. PS3 doesn't on PS5.
- Xbox has several dozen titles supported. PS2 obviously has none.
- All Xbox One accessories function on the XSX (i.e. controllers, headsets, etc).
- Thanks to the tooling system developers have said it's very easy to offer performance boosts to backwards compatible titles with simple patches that otherwise aren't being updated/optimized on the newer platforms (ex. 120Hz framerate modes).
- Now it offers Retroarch emulation without hacking or fear of penalties. Sideload greenlight.
How to turn your Xbox Series X/S into an emulation powerhouse
The great irony here is that gamers are already able to play more of Playstation's pre-PS4 historic library on the Xboxes (for free) than they can on the PS5.