This. They also hire very smart people and they may well have the smartest people in the room at client meetings, so they have credibility. It's a good busines

This. They also hire very smart people and they may well have the smartest people in the room at client meetings, so they have credibility. It's a good business model, kind of like hiring a flashy hairdresser that gives very expensive but often terrible haircuts - but when people are told that this famous stylist did it, they all just go 'ooooh...'