Movies are always sprinkled with life lessons, but you have to clear away all the distractions, and the captivating imagery. You have to listen to the words, for the moral of the story or scene. In this case, true, fear is what causes hate, that fear erupting for misunderstanding. But, also fear keeps us alive, it is our first indicator that your next action might not be the wisest.
From there, what you need to after is, instead of going into fight or flight mode, is to understand, reflect, why am I afraid? Is there validity in my horror, or do I need to take a chill pill and breath?