Not to pick a scab that is trying to heal, but this bears some more thought.
Too many people were too young to understand and many have desensitized themselves to it, for a variety of reasons.
It’s not that we should not move with our lives, it’s just we need to remember what can happen when we become too complacent, and become so arrogant that we come to a point where we do not believe something/anything CANNOT happen in America. All things CAN happen, if we fail to address the concerns of those who understand this concept.