Amazon was a magical thinking! Google was a magical thinking! iPhone was a magical thinking! This article makes confusing arguments on sustainability and unsustainability.
Uber and Lyft (the progenitors of this model) have been losing money hand over fist for over a decade now, and are both public companies and are still losing money.
Food delivery is incredibly unprofitable (because of the last-mile problem and the fact that it needs to be quick), and Uber have forced otherwise profitable companies to compete with their unprofitable model.
Here's a good review: https://ftalphaville.ft.com/2019/11/11/1573464859000/Deliver...