I keep reading about how the long term play to justify the valuation is moving to last-mile delivery of retail, pharmacy etc. But there is a reason that Amazon

I keep reading about how the long term play to justify the valuation is moving to last-mile delivery of retail, pharmacy etc. But there is a reason that Amazon distributes out of a central warehouse - it's much more efficient than sending individual drivers to a bunch of Walgreens around the city to pick up prescriptions.