The widespread existence of them has made everything grow farther apart, due to their needing lots and lots of space and people not wanting to be close to where

The widespread existence of them has made everything grow farther apart, due to their needing lots and lots of space and people not wanting to be close to where they're traveling, and they're quite expensive, and for most people it takes time to make money. Their value as a time-saving device in a world that has adjusted for their presence is less overwhelmingly-positive than one might think.