Earlier quoted context omitted.
I'm not sure that's Valve's fault. Windows is designed for gamepads to emulate an Xbox controller. All those Steam Deck competitors are implemented as an Xbox controller with a partial keyboard grafted on. That's why you need Legion Space or Armoury Crate to make them usable - they tell the controller firmware what keybindings to send for those rear paddles. InputPlumber serves this purpose on Linux. Without it, you…
> Considering Steam is the launcher most people use for most games, that's a totally reasonable tack. That's exactly how you create a walled garden. You build a garden. Get people in. Then wall it up.
If all the games respected HID and Valve did something proprietary, I would understand the skepticism. The truth is that most games are engineered with platform integration (e.g. for achievements, controller mapping, etc.), and fallback to the Xbox API. It's reasonable for Valve to sell a controller that takes full advantage of their platform.
Also, Valve's primary OS is Linux-based. There's surely either already a module upstream in the kernel or one is coming soon. That is: open source software to take full advantage of this controller. That's not the same thing as a walled garden.