I'm also seeing this become increasingly an issue with Rapi delivery guys too. All this month I've been getting "pickup only" messages when trying to order, so I took a look at their Twitter, lots of angry people complaining of the same thing, all around CABA and GBA, including verified accounts.
I feel bad for the drivers as they're paid poorly, and Rappi targets immigrants, something I always assumed since most were Colombian/Venezuelan/Peruvian/Bolivian people based on their accents, and even I received their ads as I was Googling precarious residency certificate while waiting for my DNI to come, and a Rappi ad on facebook said I could start working for them with one. Nobody wants to do such a thankless job, especially when they get robbed, hit by cars, or rained on and I don't blame them.