Um, no. Legally, it's a national holiday that requires absolutely no participation in religious activities. Same for New Year's, 4th of July, etc. The author is clearly offended by Christmas.
I think based upon other writing that she is Jewish. Lives in WI near Madison, but says she did not fit in in Madison. Leftist from CA originally and wants to tell businesses how they should do the Holidays. They should all be floating according to her.