The several comments on the blog entry that dispute "Anthropologie's destruction policy" convince me that the original entry, if not an outright fabrication, is at least a case of miscommunication.
The anecdote about the shopper who bought all the stock of a particular shirt (in order to prevent anyone else from having it) also doesn't pass the sniff test. If you have a lot of money and want your clothes to be unique, why the hell would you even go to an off-the-rack store? Just hire a designer to make a bespoke shirt for you, it would be even more unique, better quality, and probably cheaper too! (I write this while wearing a unique, impeccably designed and crafted shirt of my own making... maybe there's a point of extreme antimustachianism where it circles back and becomes mustachian again?)