Great headline, crappy article. People have been trying to game search engines since a few minutes after they were invented. And other search engines don't appear to be better, or the market share would have shifted by now. It costs nothing to the consumer to switch, and people talk about which websites they like - so if something that is more appealing to Joe Public comes along, it will be noticed. Bing's ascent in the number of searches has not been huge yet. Personally I hope for more than one search superpower in the future.
It costs nothing to you and I to switch search engines. The cost is a lot greater for the kind of people who type URLs into Google's search field, to navigate the intertubes.