
Why do we buy German cars, Italian shoes or Swiss chocolate? Why do we buy South African wine? Why do we prefer to attend Harvard University? We can ask more questions, including why we prefer marrying from some regions.
It all boils down to quality or perception of quality. We prefer certain products or services even before buying them, based on reputation and perception of quality. The suppliers or service providers can earn a premium based on quality. And if the fakers don't get their way.