How do you count examples? The computer can generate its own examples by playing against itself. So in theory it needs 0 examples. This is not a useful metric at all.
What I mean is that I am more impressed by anyone of anything that can do a task (go, golf, chess, learning a foreign language, doing the dishes even) well with just a single example, or e.g. an hour of training.
Being able to train in solitude is an advantage indeed. You need two humans to do this, but you also need two AlphaGo-instances as well.
Are you going to count all the games that the human played in their head too? What about the learning done in the human brain when sleeping? Do you count that too?
