Judaism, and Jewishness, has everything to do with being "Anti-Christ". They adopt a distinctly Anti Christ perspective on the Tanakh, and the teaching of the Torah, to present themselves as the distinctly non-Messianic answer to the Messiah that was crucified to undermine and destroy the power which guided those children of Satan,
Among those who were first added to the faithful in Messiah were members of the Sanhedrin. Did they abandon Judaism to become Christians?
Not at all. They abandoned Satan, and Satanism, to follow the Jewish Messiah in the Truth of the Gospel of the Kingdom of the One True God of the Jews, Who Was, Who Is, Who Shall Be.
Those who remain today being called, "Jews," are not Jews at all, but those who "Say they are Jews, but are not"… who are "of the Synagogue of Satan".
There's nothing more Jewish than to obey and follow the Jewish Messiah, and nothing more Anti-Jewish, and Satanic, than to deny, and refuse to obey that same Messiah, Who Was, Who Is and Who Shall Be, Yeshua ha Nazarat, Jesus of Nazareth, who lived and taught around the Galilee in that first century in the Age of His Annointing as Lord of Heaven and Earth, who was crucified after being handed over to Pontius Pilot by His own countrymen, and being raised again on the third day, presenting Himself to the World, and to YHVH Himself as the perfect sacrifice to make atonement between God and Men, showing that Love that comes from Ages to Ages, and brings with it the power to redeem and save all human beings, whether Jew or Gentile, to become true children of the Father of All, by believing and receiving His Name in themselves, and being obedient to His Calling…
Does that clear things up?.