The level of usefulness and convenience is astounding. I ordered some items I forgot to get at the supermarket the other day, arrived in 4 minutes. In my home first world country, next day delivery is touted as a massive success by execs on linkedin.
For how powerful Rappi has become, not only did they beat Uber Eats completely out of Colombia (their service just isn't at the same standard anywhere), but they also beat McDonalds who tried to go exclusive with their own app for a year before coming back to the platform.