To play devil's advocate, why should people continue to be compensated for work they did long ago? It's normal today, but it wasn't always that way, and it could be time to revisit that assumption. The amount and quality of works would change for sure, but there's nothing I know if that says there aren't other reasonable systems out there.
Especially in light of the fact that copyright is not fulfilling it's intended promise. Specifically that the government protects the work for a time, and in return the work goes into the public domain after a reasonable amount of time in order to enrich society as a whole.
A great deal of performance differentiation in hardware comes from the drivers themselves, not the underlying hardware. This is evidenced in things like differing performance in similar situations using different OSes, such as a game in Windows vs. the same game in Linux (assuming they both us OpenGL).
The techniques that companies use to improve performance on their hardware are almost as complex and important as the hardware itself. This isn't to say that there isn't a benefit in open-sourcing drivers, just that companies are justified in being weary of open-sourcing their drivers.
Especially in light of the fact that copyright is not fulfilling it's intended promise. Specifically that the government protects the work for a time, and in return the work goes into the public domain after a reasonable amount of time in order to enrich society as a whole.