MANY WRITERS have opined about this situation. Here's a sample:
www.scientificamerican.com/.../
Everyone Has a Theory About Shopping Carts www.nytimes.com/.../shopping-cart-parking-lot.html
Second, contrary opinion: Leaving them scattered around the parking lot means it's CLOSER to your car AND you know it works well AND you won't have to fight it when they get stuck together in corral. I DO NOT return the cart because I think there are others who share my POV. Don't judge!
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