Earlier quoted context omitted.
This is likely to be coupled with some manner of hardware launch, as well. I am skeptical that the name "Linux" will be a particularly useful term in that context. Couple that with my skepticism that they're actually shipping much if any traditional Linux userspace software, and it's even less useful to compare potential SteamOS users to traditional Linux users. Other than that I agree that with Valve as a patron the…
What are your definitions for "traditional Linux userspace software" and "traditional Linux users"? Do you consider Android to be "Linux"?
"Traditional Linux" suggests to me the traditional distributions like Fedora, Ubuntu, SUSE, Debian, etc.
It'll be interesting to see how much SteamOS will look like a traditional Linux. Considering the many Linux offerings on Steam, I suspect they'd like to have executable compatibility on that level, which Android probably doesn't have. But will it be as wide open as a traditional Linux? I suspect not.