My point. You can probably find something irrelevant with ethnicity but with religion there isn't even that, it's a belief, and acting like "the jews" are someone a singular people or a race or anything is an invention by the Nazis to make it easier to hunt and murder them.
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You can make this argument about Israeli Jews but not Judaism as a whole, because again it is a religion no matter how it manifests culturally it's all based around a faith in God.