Because me being on the far left of the city, and teleporting to the top right city makes 0 sense. I'm not certain how tedious prospecting would be before if all you had to do was land, prospect, crossterrain, not even move, prospect, repeat. It seems incredibly easy that way.
Yes, it's more of an inconvenience, but only because you were convenienced for so long by something that was deleted and apparently never put back in. :p