Hanukkah has very little accouterments attached to it ... Besides dreidels and gold, foil-wrapped coins, the menorah is the way to showcase the holiday.
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Holidays help because they come with stories, and the Hanukkah story is good for relaying that the divine pervades everything, even darkness.
More people can relate to Hanukkah because more people are facing hardships.
It's not only a Jewish message but a universal message of hope in the face of tyranny and darkness.