The big draw back with that is weight and battery life. Throwing it on a scooter negates all that, only the display and audio needs to be in the head unit.
And hands free steering frees them up to navigate the mixed reality.
If they're smart about it, it can monitor wait times and distance, maybe even how many are enroute to each ride. So no matter where you are, you know how long till your on any ride.
Like sure, dystopian as fuck.
But the people in Wall-E had a life sooooo much better than modern Americans. Unless there was some Morlock worker group we never saw