Thank you! Arthur C Clarke raised a similar point in Childhood's End. When confronted with some alien silver viewscreen, which everyone thought was some advanc

Thank you! Arthur C Clarke raised a similar point in Childhood's End. When confronted with some alien silver viewscreen, which everyone thought was some advanced thing, one character asked what if is a simple two way mirror? Point is, a visitor will use the most convenient and convert thing to observe us, not some clunky contraption. Unless they are doing it on purpose.