Sadly, drones are so cheap that they can be used by anyone for any purpose. We're lucky people haven't discovered yet how dangerous drone swarms can be. And as

Sadly, drones are so cheap that they can be used by anyone for any purpose. We're lucky people haven't discovered yet how dangerous drone swarms can be. And as commercial delivery drones are allowed to fly the skies, many nameless drones can blend in among them. Really a very dangerous future. Then again we also have nuclear weapons and the collapse of ecosystems...