They had a really great idea to symbolize our fatal flaw as the human race; our need to divide opinions, plant flags, pick sides etc. And in a moment more than ever, when we need to unify, it is our our own inability to be objective, selfless and trusting of one another that ultimately ends our existence.
And although that message was clear, and the actors were, of course, phenomenal, the writing, delivery and pace of this movie was its own fatal flaw.