Well, since Steam is the only gaming platform available on Linux, and since Steam is sold as a system based on linux with its own Linux distribution, SteamOS, a

Well, since Steam is the only gaming platform available on Linux, and since Steam is sold as a system based on linux with its own Linux distribution, SteamOS, and since Steam have its own version of Wine that magically runs Windows games on Linux, I would say that this statistic says nothing at all.