Earlier quoted context omitted.
Is it? When there’s a dominant player that’s practically the only way?
No. Linux just sucks and is bad at deploying proprietary software in a reliable manner. It's not particularly difficult to target a broad combination of Windows, macOS, Android, iOS, Switch, PlayStation, and Xbox. They're all basically the same. Even x64 vs ARM is largely irrelevant. In a sense SteamOS isn't even Linux. It's one distribution with no user modifications running on one set of hardware. It's closer to a…
Linux just sucks at deploying proprietary software in a reliable manner.