Ok, from what I gather, they want to play games with keyboard and mouse, and also don’t want to use windows any more. Steam OS is designed to be controller friendly and while desktop is nice and usable, Steam OS is probably not the best desktop distro out there. The obvious solution is to install any distro (Ubuntu, Mate, PopOS, even some gaming optimised ones), but yet they seem hung up on installing steam OS for whatever reason.
One thing it claimed was the ability to rewrite copy. Basically finally an improvement over spellcheck which has been the same for like 20 years. Would be nice to have something better built into the OS in every text field.
You could also have stuff like suggestions in your terminal when you’re starting to write a command based on what’s in the man pages and the layout of your filesystem.
Let’s start by putting up cameras in all his houses.