From the Hebrew Scriptures, including the Talmud we can learn that the Chosen People or Israel is eternal, so the bond with them is irreversible, unbreakable and eternal, once a Jew always a Jew. As a Jew following the Jewish rebbe Jeshua should not mean that one has to give up the Jewishness, even better being a follower of the sent one of God one can become even closer to God.
The Jewish Concerns Forum dreads the thought of another conflict in the Middle East like in 2014, only this time the Prime Minister is Jeremy Corbyn. Add to this scenario some economic hardship, brought about by Brexit, the need for a scapegoat increases and the people know exactly where to look.
After World War II the children which were placed in Catholic families often found no Jewish families to take care for them or to bring them up in Jewish traditions. Most of them even did not have the opportunity to learn Hebrew and got estranged from Jewish traditions. They married and got children who started to wonder about their ancestors. Several of them also wanted to go back to the Jewish culture and found stronger bounds with Jewish religion, whilst others wanted to keep their faith in the Messiah, but did not want to be counted under the trinitarian Christians.