>>147
I think it's supposed to make it more natural. I.e. to look like ink and pencil on paper. And I think shapes look more like they are supposed to with antialiasing. Without, it's like looking at some lettering in lego blogs. It's legible, but it takes that extra whatever so many milliseconds longer to process because (1) it's not really the precise shape, it just resembles it and (2) because it's just not what you are used to reading. You end up concentrating on the sharp edges as opposed to the shape as a whole. Plus with antialiasing the lines are just that bit thicker, but not bold.
That's my interpretation of it.