Wasn't supposed to be a metaphor.
The Quintessentially.com website shows them to be some kind of concierge service club***. Kind of a facilitator for access to luxury goods and services that are actually provided by others. From what I understand from the website, they don't actually require a physical location. I can't understand how the store could serve to be the "Quintessentially location for Barbados" other than to act as a place where one finds out about them. Hence, "a rack for brochures".
***
"Quintessentially is first and foremost a club, a club for those who believe that life is too short to waste time on the mundane or second-best. Members are given a membership card which brings with it a huge variety of benefits, many of which are worth a great deal of money. Besides the monetary advantages, membership also brings the chance to enjoy a collection of goods, services, treats and practical help that we believe will make a serious difference to our members' lives. Most of what Quintessentially has to offer can be accessed online through our website. Our mission is to bring you only the very best whether it be opera, music, art, travel, food and drink."
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