This is akin to winning control of the Temple Mount and giving it back in '67

http://www.foxnews.com/science/2013/06/20/find-from-era-king-david-confirm-old-testament/

A carved pillar discovered near Bethlehem may be linked to the Biblical King of Kings, David himself, or perhaps validate the scope of wise Solomon's majestic kingdom.

If they ever get around to digging it up, that is.

Israeli tour guide Binyamin Tropper, who thought he was the first to discover the major historical artifact, was astonished to find out that authorities had known about the pillar for decades -- and had been keeping it a secret all that time.​

Essentially, the fear by the Arabs is that such a discovery establishes Israel's right to the land, and obviously that destroys their arguments that Israel has no such right.