This seems like a non story to me. The judge did not confirm at all the GPS data affected their decision.
However, I have used GPS data successfully in a somewhat similar situation. I was riding my bicycle to work and got hit by a car that was pulling out of a driveway. My GPS recorded the entire incident and showed quite clearly that the car pulled out and hit me well after I had already ridden pass the driveway, showing they just plain weren't looking (and not the other way around). The whole incident ended up in my favor.
However, I have used GPS data successfully in a somewhat similar situation. I was riding my bicycle to work and got hit by a car that was pulling out of a driveway. My GPS recorded the entire incident and showed quite clearly that the car pulled out and hit me well after I had already ridden pass the driveway, showing they just plain weren't looking (and not the other way around). The whole incident ended up in my favor.