It is also typical of aspi's. They can state fact but get tripped up on hypotheticals, and usually get angry with the person who made them think of something they can't comprehend. Most can't understand black and white movies either, they can't translate shades of grey to make out colors. Therefore instead of watching the movie, they will get stuck on a trivial item like a stop sign in the picture is grey, not red, and will spend the entire movie trying to work out why it's not red.