DIY Copter Drone Lands on a Moving Target

I found this fascinating in the robotic flight category. Although the control system is barely stable (the up and down movement almost oscillates out of control), the copter is able to land most of the time. See the link below.

Autonomous DIY Copter Drone Lands on a Moving Target Using a Wiimote's Eye

What do you think about autonomous drones? Scary? Too futuristic? Both? I say get used to them for major cargo delivery and even wide-area delivery, like between cities. Taking the human out of the loop simplifies almost everything. At the same time, there is no question whether it is a mechanical or pilot failure!