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On a positive note. Though even many in the church refuse to accept future blessings specifically for Israel, and the Muslim religion gains in strength, ultimately this will result in Israel being isolated, they will stand alone. When the events foretold in Zechariah Ch12 take place it will be like it was in OT times when israel faced what were naturally insurmountable odds, yet won the battles. And God will want them to stand alone, so all see it was only his power that won the battle for them.
You are right. There has been a rise in this theology again. The Catholic church and others renounced this teaching after the Holocaust. The teaching that the church replaced the Jews.Now years later its raising its ugly head again.I think you are right,the Jew will stand alone yet again and see the salvation of the Lord.