One needs to restock these dead drops, right? Maybe a distributor can bypass all the small time street dealers and create an empire whose only distribution channel is drones.
You must be from US - it seems to be lagging behind in that area. Here, there are not street dealers anymore, deaddrops are how end users buy it. And hiring a stream of low-skill couriers that end up in jail after 2-3 months of working for anonymous boss is way cheaper and safer than flying drones from your own location.
At least around here (in US), while street deals are still the common among most people, USPS is likely the one of the biggest/safest methods now. They require a warrant to search domestic packages, not to mention the most common "illicit substance" is now commercially legal in many states...
