[viraptor]

> The main reason: the GPU. There is very little value in having an open specification, if the implementation sucks

I don't know, maybe we should try. Currently the implementations suck, because there's no specification, not the other way around.

> And the complexity of the graphics stack is such that nobody but huge monoliths that can focus lots of paid personnel to implement the GPU, implement the drivers, fix the drivers, fix the drivers, fix the drivers...

Substitute GPU / graphics stack with general purpose OS. Sounds plausible, yet there are lots of people working on that huge monolith for free and getting paid.