Well, except for only working on xbox and windows, which pretty much destroys it as a viable direct target for modern games or apps.
> Honestly, it would've been better to leave OpenGL to the legacy CAD vendors and standardize on Direct3D roundabout 1997 or so.
If you remember what Microsoft was like in those days, the chances of D3D being standardized in a viable way on any platform but windows were about the same chances as an ice cube in hell stands.