If what you say were true, people would be mounting maps on the car dashboard, instead of following…

If what you say were true, people would be mounting maps on the car dashboard, instead of following GPS voice instructions. So it’s not a short term benefit — following voice instructions while navigating any unfamiliar situation always beats having to look at a map/picture/diagram. Anyone who’s ever tried to assemble IKEA furniture knows that a picture is worth a thousand crappy words.