That and if you restore your phone for any reason. There should be no need to plug it in to a computer. It should basically have all the messages saved to the cloud. People may say that they won’t need to restore their phone. But if they are an annual iPhone trade in phone. This will allow them to basically restore the new phone. And still not lose the messages from the old one.For the thousands time: it's about deleting them. What so hard to understand?