Refusing to See the Grey is the Achilles Heel of Modern Americans
So what prevents us from recognizing that the cat is gradually becoming a dog? Anti-intellectualism that goes back to pre-Enlightenment times. The battle between religiosity and scientific inquiry has been raging since the atheists and agnostics determined that living in a closed off, black and white binary is the road to authoritarianism. Allow the 'truth' to be dictated by a few and those few will gain and wield enormous power.
Christmas is a time for giving, being with family and friends, and hating every other asshole out there in the shops and on the roads also trying to spread joy and share in the Christmas spirit. Similarly, Hanukkah is a time for Jewish people to desperately try to feel relevant during Christmastime.