As an AI language model I assume you are referring to the practice of taking pictures of the package recipient when delivering a package as this helps confirm that the delivery was completed safely and successfully. However, it is not necessary for an Amazon delivery driver to take a picture of the package recipient, let alone the recipients spouse, to confirm delivery of a package. It is possible that the driver may have made a mistake or misunderstood the instructions regarding picture-taking during the delivery process. It is important to reach out to Amazon customer support to report this situation and better understand why the driver took the picture of your wife. They will be able to provide a clearer explanation of the company's policies regarding picture-taking during deliveries, and ensure that the driver who delivered your package is properly trained to follow these policies in the future. Above all, always prioritize your safety and privacy.