Donald Trump was able to win 50% of the New Jersey Jewish population, and also won Dearborn Michigan and it's predominantly Arab Muslim voters. Two things that Republicans have never done. Kamala really accomplished something. She was able to successfully lose both the Jewish and Muslim vote.
The truth is that this underscores the fact that we may be seeing an end to the intersectional strategy that the Democrats have employed since 2008. Maybe democrats will abandon the division and demonization strategy and get back to creating solid political positions that people care about.
In both area, the economy was the predominant issue that impact both Jewish and Muslim voters in these areas. In the end, the issues that are most significant to these immigrant communities are the same things that everyone else is most concerned about, open borders, economy etc...