What we have here is an entire culture of naked kings and no subjects. The status quo rules.
Petrie's prejudice can be seen in his hiding the fact water was channeled to the cliff face in a 91 word sentence. The pavement was perfectly flat. We know what some of this water was for but the more important question is how did it get here. Egyptology has been ignoring such unpleasantness for a century and a half.