I had the same thought. I imagine that, in said future scenario, the author is assuming that the ubiquity of self-driving cars has progressed to the point in wh

I had the same thought. I imagine that, in said future scenario, the author is assuming that the ubiquity of self-driving cars has progressed to the point in which drivers are far less attentive to their routes (given the autonomy of the cars). Compare that to the present; if you're using gmaps, you're engaged with where the car is going and perhaps more likely to notice the alternative route to Krispy Kreme. Then there's the safety aspect: current mapping/gps providers would really come under fire if they were asking you to take your eyes off the road for any longer than they already do. Most, if not all, offer enough voice guidance to remove the need to look at the screen at all. Even if the decision-making process were to be done out-loud, I could see some safety concerns arising.