On the one hand, Kerry's war hero biography -- Yale graduate who goes on to win three Purple Hearts, a Silver Star and a Bronze Star -- is a political consultant's dream.
Drivers know this and are instructed not to do it (same goes for soliciting a 5-star rating at the end of a trip, for that matter), because it so greatly undermines the confidence our customers put in Uber in the first place.
In the kind of pivot that often marks his approach, he goes from asking why some star college quarterbacks are successful in the NFL and others flame out to the question of why some people make great teachers and others fail miserably.