Steam isn't the platform that the games run on. Windows is. Steam is a distribution platform. There is no reason you can't use other distribution methods on the

Steam isn't the platform that the games run on. Windows is. Steam is a distribution platform. There is no reason you can't use other distribution methods on the same computer and the same OS installation. Also, in the article I don't think Gabe Newell ever says that the problem with Windows is that it is closed per se. It's not as though he fails to realize that Steam is not open source software.