Indeed, it should be clear to everybody that a motivated actor could record the view-once message, if nothing else by taking a picture of the screen with another device.
They are still useful to convey (in a rather strong way) the intention of keeping the message off-the-record, and to avoid the risk of a third party reading it e.g. by stealing the phone.
Indeed, it should be clear to everybody that a motivated actor could record the view-once message, if nothing else by taking a picture of the screen with another device.
They are still useful to convey (in a rather strong way) the intention of keeping the message off-the-record, and to avoid the risk of a third party reading it e.g. by stealing the phone.