If you look at the photo at the top of the first link you can very clearly see that almost every single row has different size package footprints, not only from

If you look at the photo at the top of the first link you can very clearly see that almost every single row has different size package footprints, not only from row but even between packages in the same row. There is no uniformity present. Further from the second link, there is no uniformity from machine to machine which is fundamentally no different the variation and shelf configuration from from shelf to shelf or aisle to aisle in a traditional brick and mortar retail store.