Cameron stated he "utterly defends" the ending, comparing its unresolved nature to the classic short story The Lady or the Tiger? by Frank R Stockton
He explained that the film's core message is that there is "no good outcome" once a nuclear missile is launched, underscoring the inherent danger of such weapons.
Cameron highlighted that the American system places the power to launch a nuclear strike in the hands of one person, urging voters to consider this responsibility.