The Israelites are God's chosen people. They carry his oracle, like a beacon to the world.
I will also make you a light for the Gentiles, that my salvation may reach to the ends of the earth (Isa. 49:6).
That the Israelites were the light unto the world was their glory.
For my eyes have seen your salvation, which you have prepared in the sight of all nations: a light for revelation to the Gentiles, and the glory of your people Israel (Luke 2:30-32).
But over the years something went wrong and what we got are Israelis. A bunch of major assholes walking around like their shit don't stink.
Read the Book of Acts and note the number of incidents of Israelites, including priests, who received salvation. Are God's chosen not Christians now? The Lord's church, after all, has prevailed against mighty pagan empires like Rome and the Soviet Union. They try to stamp out the faith, and though they fall, the faith remains.