Well, the author is definitely right.
She can always move to China if she wants to be with her own kind.
Since it’s so wonderful and all.
Is the author right that culture is causation of disparate results from different ethnic groups—or is it simply a concomitant result?
She and her husband also conveniently leave out several subgroups that rival Jews in their educational and financial results, such as immigrants from India, Unitarians, and even Irish-Americans.