The only thing Microsoft is helping with, is exposing XBox Cloud streaming, which again isn't Linux.
https://support.microsoft.com/en-gb/topic/xbox-cloud-gaming-...
https://arstechnica.com/gadgets/2023/04/handheld-mode-for-wi...
By the way, Linux is your strawman; not mine.
The only thing Microsoft is helping with, is exposing XBox Cloud streaming, which again isn't Linux.
https://support.microsoft.com/en-gb/topic/xbox-cloud-gaming-...