CASE STUDY In the saturated world of quick-service coffee, mere competence won’t cut it. Any cafe can brew a decent latte. Yet, Starbucks doesn't just sell coffee; they sell a reliable daily ritual. Their dominance isn’t built on the bean alone; it's constructed on a near-impenetrable fortress of customer loyalty, turning casual buyers into devoted brand evangelists. For executives studying retention, Starbucks offers a compelling…