On 7/8/07, Brion Vibber brion@wikimedia.org wrote:
"Ha ha look at you you, followed a link someone else wrote or you typed 'wikipedia' in your browser and it sent you automatically to 'wikipedia.com' and now we're going to make fun of you! Ha ha! We think you're stupid!"
I agree that turning wikipedia.com into a big "we are not a dot com" portal would be overkill. But it seems perfectly reasonable to add a small but conspicuous notice (a little orange box, for example) to this effect at the top of the standard portal when people access it through the .com.