I think it still works fine as a basic metaphor to help illustrate the idea. The metaphor doesn't need to be 100% inline to do that and expecting it to seems a

I think it still works fine as a basic metaphor to help illustrate the idea. The metaphor doesn't need to be 100% inline to do that and expecting it to seems a bit pedantic. Speaking of pedantic, a flight's outcome is not really safety, nor was space flight what the folklore mentions. It was addressing the requirement to write/record in space.