It would open a line of evidence and reasoning that they could not intelligently refute.
Thats a good point, the WTS. will and would only use information that would support their preselected doctrinal dogma.
All other information is Satan inspired and not to be consumed.
There two apposing positions in this debate one side examines records of kingship and reign of Babylon,
wi th the addition of tablets scribed for high ranking official of Babylon to support dating and the other side
that the JWS take is theoretical hearsay from produced by clerics or spiritual seers of the Israelites.
I'd bank on the archaeologists findings to chronologically actual events myself.
The WTS likes to image themselves as the true FDSL with god's spirit as their solemn guidance, so paying respect
to information that only supports themselves in self serving way.