Gary ignores quite a lot that is written in the OT and the NT about Israel.
This was not a treatise on Israel. His main point -- that the land promise to Israel was fulfilled -- is well taken by those who see modern events in the middle east as a theological diversion from the truth of Christ's gospel.
Jesus Christ is the true Israel. All those who have a part in His resurrection are the children of Abraham and spiritual Israel regardless of their ethnic background.