I found this article, and I think it really speaks to the heart of the issue:
In the fourth century A.D., the Catholic church made a big mistake. Acceding to the popular tradition that Jesus Christ had been born on December 25 and wishing to keep Christians from participating in the infamous orgies of the year-end pagan festival of Saturnalia, the Church established December 25 as the feast of the birth of Christ. Thus, for seventeen centuries, Christmas and Saturnalia have competed for the attention of the public. By now, I think we must admit that Saturnalia has won and that Christmas has been thoroughly de-Christianized.
Full Article (American Thinker)
This pagan celebration was only Christian for a brief period. It’s about time we accept it.