Hawass, as the official Director of Egyptian Antiquities, was an ardent supporter of the status quo. No new ideas, no new exploration permitted - other than by his approval. In short, he exercised rigid, absolute control over all things pertaining to Egyptian archeology; his way or the highway - which could mean being banned from Egypt entirely.
Perhaps now the authorities will permit using bio-thermoluminescence dating to get a better idea of exactly when the pyramids were built - the only test done returned a date on one block seam in Menkaure’s pyramid several hundred years earlier than believed - which, if true, will upset the entire standard dating of Ancient Egypt. Hawass stopped this testing, banning its use anywhere in Egypt as Menkaure’s pyramid is the ‘newest’ of the three at Giza ...
And yet again, “science” can only advance one death at a time.