You remarked that you considered the "standing position" of the scribe.
On the internet is an image of Dominique Gorlitz pointing at something which is not the Khufu cartouche, as the cartouche can be seen on the left edge of the image.
Was the lack of "standing" room a factor in your critique? And do you consider the artist to have been right or left handed?
Anyway, here's the link to the image as it appears on the Australian news website:
I didn't wish to post the image directly as I'm not sure of the copyright restriction: the photo was "supplied" to the Australian website.