The terminal is not the only command line. I would imagine a lot of people use Start->Run, Windows Search, Spotlight, Google Desktop Search, and search engines, and those are all command line interfaces in a sense.
I guess my disagreement stems from the fact that I don't see what I type into those boxes as commands (even though some search boxes, like the one in the Windows start menu, can work that way). I think of those boxes as fixed to one command, search, and all I get to type are parameters.
Seriously though, from the user standpoint, typing "vim" into the shell and typing "TextMate" into Spotlight are more similar to each other than either of them are to navigating through the Finder and double-clicking TextMate, or even clicking it on the dock. The shell is smarter, but perhaps too smart for some users.