What if I'm saying happy holidays so I can cover the Jewish people celebrating the first night of Hanukkah...or maybe I wanted my message to extend through the New Years Day holiday? You didn't consider that did you?
The reason people said happy holidays originally was to cover Christmas and New Years..not to be 'inclusive' or buck tradition. Plus yesterday was Festivus so if anything I should of said happy festivus- and in that case not only would I take you down in a feat of strength I'd launch some grievances against you for rushing to judgements
there fixed it for you