One of the most significant changes to Christmas has been the integration of Santa Claus into the holiday. At one time Santa had nothing at all to do with Christmas, especially when it was celebrated as a primarily religious and somber date. In modern America, though, Santa has become the very symbol of the entire holiday season -- and at the same time that Christmas has become secular. This is not a coincidence. The secularization of the Christmas has required sidelining Jesus, creating a vacuum at the center of the holiday which had to be filled. Santa fills this role admirably.
Read Article: Santa Claus is a Lie: We Can Destroy Christmas if we Destroy Myths like Santa Claus and Jesus