Brand Loyalty

In class tonight the discussion was on brands and its association within the marketing industry. Among the list, brand loyalty was discussed. And I sat there thinking, to myself, that culture plays a part in what brands some people stick with. The brand they are going to insist on buying. For instance, I've had family members and friends visit NY and they always compare and complain about the brands in food products we purchase. They insist that the brand of tuna, macaroni, whatever else, in america, is not better than that of the island we are from. But I guess when in Rome you act like the Romans...