Yea, I don't think you understand branding. Branding is the power a product gets from fulfilling it's promise to consumers.
Example: Coca-Cola. People don't buy Coke because advertising tells them to, people buy Coke because advertising reminds them to. Coke has a strong brand because Coke consumers prefer it's taste.
Numerous taste tests have shown this. Sam Walton spent millions on a better tasting drink than Coke, proved it was better in every taste test, and Walmart's coke bombed when it was released despite a heavy marketing push and excellent product placement. It bombed because despite the results of taste-tests, customers had developed an affinity for Coca-Cola. It was always good, they could trust it's consistency and flavor, and they really weren't motivated to gamble on something new.
In the cases of luxury or fashion, their unique benefits may be subtle, so subtle you don't even notice them. But their customers do and once they experience them they continue to buy from the same vendors. It can be as simple as a purse that is extremely attractive, yet durable, yet useful with the perfect number of pockets for your needs. Once you have that pleasing experience you are far more willing to buy future products from the same vendor, thinking, they know what they are doing, they think like I do, etc.
In smartphones and Macs, Apple has consistently provided high quality hardware with innovative features, and powerful but easy to use software. That's built up a brand where Apple customers have high expectations for their Apple product experiences, and that brand can only remain strong if Apple doesn't disappoint them.