I was specifically wondering why the Orion-like bomb is so bad that no sane civilization would ever use it. The parent comment seemed to indicate that even if y

I was specifically wondering why the Orion-like bomb is so bad that no sane civilization would ever use it. The parent comment seemed to indicate that even if you knew you wanted to go into space and had the idea for an Orion-like system, you wouldn't use it unless you were insane, but I see no justification for that.