if we have a hidden history,
But the possibility of an unknown or misinterpreted history is always fascinating. Insisting that we are certain of our past is like claiming that we know everything to be known.
There is always more to be known about history simply because we have not found every artifact to be found. We may be missing entire civilizations simply because we have not found their artifacts.
Absence of proof is not proof of absence.
A healthy interest in determining what actually transpired during an event vs. what someone's opinion of what happened are two separate things. There is always reality and the interpretation of reality. People tend to interpret reality through their own set of biased filters rather than reporting facts. Facts are reflections of events; not interpretations of events.
Today, too many people accept changing interpretations and have little curiosity about the actual events.