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"Is it racist to notice that Jewish culture may aid this ability in many of its members?"
Perhaps, but perhaps "Christian" culture has tended to regard and label those with bullshit detectors as satanic and heretical and "American" culture labels them as un-american. On e tends to be blind to the negative effects of one's own culture or those cultures which one has little personal knowledge of. Very few of any cultural type escape the bounds of their programming unless that programming is "broken" by the standard means in common use.
When it comes to culture vs. humanity, all of them are rather suspect. You might be engaging in wishful thinking when making assumptions about positive attributes of any of these social systems of controlling domesticated apes. After all, these social systems were the product of these same domesticated apes, despite what some "holy" books say.