The so-called reputable experts on this matter are a joke. Exhibit A - watch / listen to Dr. Zahi Hawass' interview on the Joe Rogan experience.
LOL. You guys should spend a little time looking into these before going for the easy option of the accepted narrative. Did you watch those videos I posted?
I get why people fear being made fools of and would rather not consider such possibilities that go against the accepted narrative. Instead, you should keep an open mind on such things. At this point in time, none of the things posted above have been proved true or false. Until that time, try keeping an open mind.
How do you explain ancient Egyptian vases that have been made perfectly round and symmetrical out of hard stone, accurate within a thousandth of an inch. We would struggle to do that with today's technology, let alone the copper tools we are supposed to believe.