Now if their trespass means riches for the world, and if their failure means riches for the Gentiles, how much more will their full inclusion mean!
Romans 11:12 ESV
The restoration of the natural branches will be an amazing validation of many Old Testament prophecies that presage the Messianic Kingdom. Ezekiel 47 also speaks of Gentile sojourners being formally naturalized as Israelites with full inheritance in the Promised Land.
Jew and Gentile are meant to be one in Messiah. The latter doesn’t replace the former, but is adopted into his tents. Our job isn’t to drive off the Jews, but to help repair their ancient tent, and to entice them back by becoming perfect images of Yeshua