Amazon tried to service my delivery area several years ago. At that time, it failed. There was not enough density for them to do it. 2 or 3 months ago, they tried again. The zip code of my delivery area is covered by 4 FT UPS routes (prepandemic) it was up to 4.5 routes in April and May. Since Amazon started, we are back to 4 FT routes.
From what I see, the pie has gotten so much larger that the volume that Amazon is now delivering themselves was not really noticed in my building. They would need to cover my building's entire delivery area to see an effect and that will not happen until they build a warehouse that is much closer.
Also, if you read the story and look at the photos, a lot of the stuff they are delivering appears to be non-perishables that you get at the grocery store or Target or Walmart.