all I recall is that we don't really know who built it. Any I'm just musing.
In any case it has clearly caused problems that are counter-productive to the message.
IDK about the keep the population at 500k ... maybe in a hypothetical resurgence of native American tribes or something. It just seems kind of wishy washy and not intended to mean how some people interpret it.
One of the commandments is to establish an international court for countries to start disputes ... if it was made in the 1980s that seems a little out of touch.