Can't use 'native' as an excuse if your argument is it runs games better. Can't blame hardware if you're ignoring recommended specs from the developer. Can't say it runs the exact same if you have no evidence. -It's just propaganda. Can't blame nVidia for not being open-source when they lead the industry and profit from trade secrets.
Agree, but do ponder how things may be better if Windows had actual competition. (Maybe worse in a way if we look at consoles and all the exclusives).