I don't think Mr. Kingsley claims to have "found" the treasures, he simply believes he knows where they are. Knowing about them, and securing them are two diffent things, especially with Hamas thugs about.
I honestly belileve that if Hamass does have control over the area and it is confirmed that these treasures are there, Israel will spare no expense nor palesimian thug to secure these great treasures of antiquity. Send in the D9s!
I believe you are correct. The other problem is, now that this information has been made public, if for some reason the Hamas killers were to discover the Jewish historical items in question, we know they will go on an Islamic rampage destroying everything in sight.