The main idea of it came from guys that use there cars for drifting (JDM side of things.) Its about fitting bigger wheels, less rubbing, saving $$ on tires, and stance....Not everyone is a race car driver and really cares about handling corners at a millions miles an hour. Just because you can't relate of understand something doesn't make it stupid. Furthermore its all about looks and its probably safer because guys with stance tend to drive slower.
Im actually really surprised you guys are hating on stance when old school bimmer guys are all about that. And it looks so good.