Towers of Hanoi

Okay . . . anybody know the point of this game? It looks like it is just moving the disks around and restacking them. But I don't get it? Help?

Here is a great video on it and blog. I think this guy is well clued up on it.
http://blog.makezine.com/archive/2008/02/towers_of_hanoi_robot.html?CMP=OTC-0D6B48984890