@ AC. I agree with Hancock in that we are a species with amnesia.
"ms" History
is seemingly mostly His-Story..
There are so many different interpretations of Human history and all that has transpired that any logical individual should be highly discerning of what they take on board.
Consider how some assert that Caesar only burned Alexandria after having looted the good stuff prior, for storage, and thus reference, presumably by the select few you mention.
This only makes sense however it is not, as far as I can tell, the most popular notion provided ..
I arrive at mostly the same conclusion as you have here, albeit with the inclusion of my own suspicion : Hawass and others in lofty positions - (by perseverance, dumb luck or inheritance) - still hold knowledge
today, of the pre dynastic occupation and their abilities, that we don't.
Practicable knowledge that we could immediately integrate into our flawed understandings.
LIDAR shows there is indeed a chamber beneath the left paw of the Sphinx ...
Perhaps revealed in the wrong way today could be mixing oil with water as some say.
Or it could be straight greed.. and would improve 8 Billion lives exponentially.
Excelsior ...The mantle of "Thug" could also be given to the Dynastic Egyptians who took it upon themselves to deface their occupied wonders, seemingly in a childish manner, as if they couldn't recognize the utter precision and splendidness of what they had found..
There's no way the original sculptors of the Sphinx designed the head like that on purpose
Why else would they commit such a travesty - unless burdened by a mass inferiority complex ? ?
Suffice to say we have devolved as a species in a lot of ways, not irrevocably IMO as some will have you believe, but we had better wake up and act as individuals, fast, before it is too late and the parasitic individuals in WEF , etc , who seek total control of the available resources achieve such ..
I wish Alex Jones was wrong in what he's saying .. I really do .. You can't deny some of it though.