I think that decision to withhold the destination of the ride from drivers was a very bad idea they should repeal. They wanted to be sure that drivers don't choose convenient riders and leave less convenient ones unserved, but a) it didn't work, only introduced this "you cancel, no, you" game after destination becomes apparent, and b) opportunistic drivers can no longer give a ride to people who go in the same direct…
This is the "loss leader" of the industry: long trips from city center to an area which is a) considered "dangerous", and/or b) unlikely to have a fare for the return trip. This is where licensing makes a difference: in New York, for example, a cab that picks you up at the airport was required to take you anywhere in the five boroughs you wanted to go as a condition of the medallion.