What is their relationship with Amazon? In most cases, they won't have any contractual relationship, which I would think makes it harder to obtain a cause of a

What is their relationship with Amazon? In most cases, they won't have any contractual relationship, which I would think makes it harder to obtain a cause of action. They could still sue for false advertising, but they'd have to show that the reviews contain statements of fact that are false. If I'm understanding correctly, this is a considerably higher bar than breach of a reviewer's contract with Amazon.