According to Matt Cutts and the Google ToS, what Best Buy did would be considered ?manipulating the search results? and should subject them to a penalty.
All people can ask for is a level playing field. The deck is stacked heavily in favour of a Best Buy and other large companies because of their reach and resources, but when they actively manipulate results to the detriment of ?quality information? this is where Google needs to step in.
Punishing niche marketers for delivering ?low quality? information and then letting big brands decimate them when they deliver great information just isn?t wrong, it?s evil.