Yes they are and always will be because of Abraham.
Are Jews perfect? No.
But they have been blinded and will have their eyes opened at a time of God’s choosing.
The Apostle Paul, a Roman Jew named born as Saul, said Jews will one day have their eyes opened, they will be both sorrowful and at the same time full of joy. This will happen at a time only known by God.
In the interim, non-Jews are to stand ready to help and protect God’s Chosen.
Correct.
When they mourn the one they pierced they’ll finally figure it out.
Hosea 5:15
Zechariah 12:10