Human civilization spans over 1000s of years and several great civilizations rose and merely vanished as if they never existed. During those years we had the Honor System, not the token system that exists today. Johnson, who is rumored to get raved in regards to the soup's flavor within a visit to Korea.
And what possible benefits accrue to the deceivers by their 'man behind the curtain' activities?. Unfortunately Korea failed to hold open elections in 1948 to enable the visitors to pick a leader of the newly freed Country of Korea.