Uh the elections not being held is the point. Ike knew that Ho would sweep to victory over the “Emperor” as things stood in 56. Hence he and the South Vietnamese simply refused to have the elections held. Again, that should have been a loud and clear warning.
So fearful was the N. over loss of so many people to the S. (10 to 1 ratio) that they actually stationed troops at key intersections to head off this flight.
The ICC (India, Poland, and Canada) agreed with the perception that free elections were impossible. And in 1959 the N. proceeded to proceed...with war.