"The ”earlier explorers of the pyramid”, including Vyse, were incapable of detecting a cartouche incised in 1842."”
The point was merely to emphasis the obvious, that the early explorers were long gone prior to the carving of Lepsius’ Tablet.
“Quis custodiet ipsos custodes?“ - Decimus Junius Juvenalis
“Numero, Pondere et Mensura“