This doesn't infringe on their rights. They have the right to choose not to deliver the content and to respond with a 403. If they choose to deliver the conte

This doesn't infringe on their rights. They have the right to choose not to deliver the content and to respond with a 403. If they choose to deliver the content and respond with a 200, that's their decision. At that point, you're welcome to read it however you like.