Amazon Drone system - Innovative, but will it work?

In my previous post regarding the Amazon Drone system, I talked about the upsides, and how good the system would be. Have we really looked at it? It is so general, it is probably, most likely destined to fail! We have looked at the new and innovative technology, but is it safe?
First of all, it is limited to areas where there is a reliable Amazon warehouse and ample space for the drones to operate in. Then there is the issue of safety of the people. What happens if the coordinates are wrong by a few degrees, and it end up dropping your parcel on your roof, in your pond, in your neighbours garden? What if you live in an apartment? Where will it drop it? On the roof? Apartments are commonly is suburban areas, so a slight error of geography, could have your parcel smashed to smithereens on the road, and also have an angry driver who was randomly hit by a drone.
Then there is the more destructive thoughts. If your child is playing on the lawn, and a strange drone lands in your driveway. What if he runs up to it and grabs it? Hackers could break into the GPS system, and have this brand new forty thousand dollar watch you have bought delivered straight to them!
There have also been conspiracy theories - but I'd rather not go into that.
The bottom line is, that when Jeff Bezos did this, it was a shot in the dark, and has chances of failing, just as much as passing.

http://www.latimes.com/opinion/topoftheticket/la-na-tt-amazon-drone-fleet-fears-20131204,0,1849862.story