Jewish people have the right to live Jewish lives free from oppression and persecution.
Casting off our culture or religion will not save us from antisemites. It will not solve antisemitism. It will not solve anything. It will only remove from us our cultural and religious heritage and force us to take on aspects of those who have persecuted us, but as even the most assimilated Jews have been subject to antisemitism, even then we would be subject to antisemitism.
Our culture is ours. Our lives are ours. We should not have to debase ourselves or remove each last vestige of Jewishness and Judaism from our lives to receive humane treatment and human dignity.