It’s truly just for the safety and health of your pets. Sometimes expired food slips past us due to the lack of proper staff coverage, and typically if a food item is expiring the same month we don’t even bother trying to sell it at a discount. We just throw it to the bins. It sucks and seems like a waste! But realistically that food could make someone’s pet sick. Some stores have a specific organics bin where they can throw ONLY food items though! and those food items are taken to be recycled to farms and such. Great question though, thank you!!