It's a loophole in the consumer protection system. Basically you can return any item for any reason in the first 30 days, including failure, and the store can't

It's a loophole in the consumer protection system. Basically you can return any item for any reason in the first 30 days, including failure, and the store can't refuse it (some exceptions apply). If you're dealing with the manufacturer your purchase can be out for repair for weeks if not months. So from a customer view it makes sense to return it to the store.