Costco shoppers often experience a phenomenon where they become completely unaware of their surroundings upon entering the warehouse, losing all sense of spatial orientation and proper cart etiquette. This behavior, commonly referred to as 'cart tunnel vision,' creates chaotic shopping conditions reminiscent of a post-apocalyptic scenario. The lack of awareness among customers navigating the aisles with their carts has become a widespread frustration, affecting the overall shopping experience for fellow patrons and contributing to congestion throughout the store.

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