[dahdum]

Downside of this strategy is now you have another variable delivery cost that will be passed onto all consumers in the area.

[oftenwrong]

If the person receiving the delivery has to bear the delivery cost, instead of transferring it onto bikers, drivers, bus riders in the form of obstructed streets, I would call that an upside.

[s0rce]

That sounds like a plus. The cost of using the infrastructure should be passed on to the end users.