I found this to be an interesting discussion on the Accord forum. No, I don't believe our modern cars pose a threat leaving it running at the pump but it's a good rule.
Sometimes I doubt if I am indeed minding other's business. This morning I went to Costco Gas station and saw a guy with a 10gen White Sport Accord pulling behind me. Nice car! I like those 19" wheels. Then he opened the door, swiped card, pushed '87', and started fueling his car! ----Wait...