Yes, Israel will go through dreadfull judgment, as will the whole world. This will cause Israel to cry on YESHUA. The State of Israel is part of the Spiritual Return of the Jewish people to YESHUA. Their has to be a corporate Jewish nation to make that cry. One other reason, a Bride of Christ who loves the Jewish Messiah should love his people as well.
Those who accept Christ are the people of God.
1 Peter 2:10
Once you were not a people, but now you are the people of God; once you had not received mercy, but now you have received mercy.