I reckon it must have been been a huge pile of discount 1 Euro multipacks of culottes that made the store such an understandably irresistible target for the braquo.
This must be a real kick in the couilles for other brands in the City of Light like Hermes, Vuitton, Cartier and Chanel to know their products just don't have that sort of appeal to the discerning Armed Robber du jour.