It might even be simpler than that, SteveU30. It's been well established that the Christians stole the date of December 25th from the Pagans and that Christ was allegedly born in February.
Many people celebrate the Feast Of Bacchus (unwittingly thinking they're celebrating Christmas) with nary a nod to Christ, stables and big shiny stars. These people aren't Cultural Christians; they just believe in the exchanging of gifts and over-indulging on food and booze