Well, Edwin, that's the first I've heard of it, but some preliminary Googling supports your statement. I can't imagine Kubrick ending it that way... at least not without a tinge of irony. Certainly not in such a saccharine manner. Of course, the man wasn't perfect (Full Metal Jacket) and...
I think most of the disgust with A.I. concerns the fact that Spielberg took what could have been a great Kubrick film and tacked on a horrible corny "heart-warming" typical Spielberg ending. I don't think it has anything to do with it being sci-fi or not enough action.