Uber's main (only?) advantage here is their ability to take advantage of a shared labor pool. By increasing the demand for driving + food delivery, it makes the Uber labor pool bigger and further increases the lock-in effect so Uber drivers don't want to open other apps.
If you don't mind, could you elaborate a bit? How was being around academics/children of academics beneficial to you? Did you end up going into academia, and did your experience with academia differ from the other experiences presented in this thread?