

They can hardly avoid screwing up, really.
The whole draw of Steam Deck is that it’s a carefully curated experience where everything from the OS upwards is crafted to play nicely together and “Just Work” to bring that console-like experience to PC gaming.
Whatever Microsoft are putting together isn’t going to have that end-to-end consideration. It will be nothing more than a skinned launcher on top of Windows 11, and no matter how shiny that launcher looks you won’t be able to hide from Windows for long. All the normal Windows bloat will be there, and I wouldn’t be surprised if you spend as much time messing around in actual Windows as you do playing games.
Back in my days working as .NET developer on Windows 7, I came into work one morning to find a colleague fuming that his machine had died on him.
He spent the whole morning reinstalling Windows and getting his environment set back up, and then pulled the branch he was working on, happy to finally be done with setup and get back to work. Ran his test suite and bam, machine crashes!
It was only at that point the penny dropped. We took a look at his branch, and sure enough he’d accidentally written a test that, when ran, deleted his entire C: drive!
That particular lesson made me very careful when writing any code that does things with the filesystem.