Why should you care? Most of our users have already purchased the machine Products should be "suitable" for the intented purpose There is a gap in the enforcement of this principle Most other industries are required to provide "repair information" (see recent rulings in US/EU about car repair manuals) Without documentation, developers often make mistakes writing drivers Even in the worst case: Attempts (and partial successes) at making any operating system run on hardware puts pressure on commercial software vendors (Microsoft) to not screw the customer as much.