It's like QWOP. It's ridiculously hard. The reason why it got famous is that people are bragging their scores and showing to the world that they presumably on the process of beating the game.
You know what they say about fools and their money, right?
I guess the same can be said for people who buy Steam Trading Cards. :y
Maybe, but apparently they can craft doter2 and teamfortress items which usually sell for a bit once they become rare. Considering I sold them all pretty cheaply, they might have gotten away with a net plus.