It's a shame they still rely on the words of men.
"7 Then the Lord appeared to Abram and said, “To your descendants I will give this land.”
Right now the world runs on man’s laws and government, and Israel currently exists in THAT ENVIRONMENT.
At a future time, the Messiah of Israel will return to earth and set up God’s law over all the earth and will establish this for Israel.
SO ... at the current time, and until the Messiah of Israel returns, it exists in the “world’s system.”