These days, it's simply not enough to manufacture a good product. Those are the table stakes. If you make an inferior product, no amount of marketing can save you from the painful truth that will spread faster than you can say, "tweet tweet." That said, in categories with several high-quality options the winners like Lexus, American Express and Apple are succeeding by manufacturing love, gaining share of heart not just share of mind.
Customer-centricity is the core of any successful business model.