You know, I used to agree; I watched the movie again recently though and I've come around on the future-robots stuff at the end. The movie should definitely ha

You know, I used to agree; I watched the movie again recently though and I've come around on the future-robots stuff at the end. The movie should definitely have been edited down, but I think the point of the movie is that David was determined to become a "real boy" the entire movie, and fundamentally the way that that could happen is that he does the most human thing of all: die. He's given one perfect day with his mother, and ends knowing that he truly is a "real boy".