The article says, "Our research shows even satellite navigation equipment, if used incorrectly, can lead to driver danger," said Ian Parker, Privilege's managing director."
No kidding? You should change your name to Sherlock. Almost ANYTHING used incorrectly can lead to danger, ESPECIALLY while driving. For example: If you use a toothbrush incorrectly, it could lead to driver danger.
What a bunch of dumbasses conducting the survey, and bigger dumbasses that were being surveyed.