Yes Discover is part of the Linux distro, not the valve added value. It is by virtue of their choice to base on an established Linux rather than anything. Again lutris and heroic both support steam deck not the other way around.

But none of this changes my original point. Valve wasn’t you to use the steam store. The stream deck is a tool to get you to do that. You are free to bypass because they don’t stop you, but they are willing to take a loss on hardware because they know it means more sales on the steam store. Or they wouldn’t be here much longer.

You seem to think if I were to write an app for Windows and release it tomorrow that it means Microsoft support my app.