It's important to follow the rules and regulations set by the store and to respect their property.
Climbing on top of freezers or engaging in any activity that may pose a safety risk to yourself or others is generally discouraged and can result in accidents or damage to the store's property. It's always best to use common sense and exercise caution when in public places.
To get accurate information regarding the specific policies of Walmart or any other store, it's advisable to consult their official policies, signage, or contact their management for clarification.