The government had a very strong stranglehold on what information the population received. Today that is not the case, and there are very good reasons for it, but in the event that world war three occurred, it would put the West at a severe disadvantage.
World War Three is a dramatic thought, but it isn't even happening and the West is already feeling the pain of this situation. Destabilizing election and covid misinformation being spewed by China and Russia are prime examples.