To work properly the end of the flight has to utilize a camera.
I see major privacy objections especially by rural folks who value their privacy.
Any landowners whose land we fly over would have to agree to the drone delivery or fly over ahead of time.
The drones will also have to contend with local regulations, weather, trees, kids, dogs, sprinklers/irrigators and rural helicopters that spray fields.
One crop dusting chopper goes down because we flew over the neighbor's field and the lawsuit is $5,000,000
I believe the application of this technology would be so cumbersome and costly that widespread utilization would be unrealistic. If it can't be utilized universally the costs become untenable.
Would you let a drone remotely controlled hundreds of miles away into your yard with your kids playing?
And if the drone looses its signal and crashes into your windshield while driving...