“We don’t get to choose our identity” We are born into it hence defined by others who we are for better or worse. As to what one is (with or without God) it makes no difference no matter what some Rabbi say. And if you hold dear the teachings of millennia long Jewish heritage then you can tell them that they are at odds with our values, tell them they lost their way, not knowing right from wrong.
Israeli ambassador to U.K.: Elements of left 'in denial' about 'disease' of anti-Semitism (Haaretz)
from the article: Who is a Jew? Who am I?