Excerpt from: https://www.christianforums.com/threads/why-satan-loves-christmas.7980551/

In Mithraism, the mid-winter festivals began with worship of Zervan, whose celebrations ended on December 24. The celebrations then transitioned to worship the reborn Zervan as the newborn Mithras, the new Saturn, born on December 25 who brought back the sun after the winter-solstice (Mithras, the Secret God, M.J. Vermaseren).

The pagan god Zervan (Zurvan) was depicted as a winged, part-human, part-lion figure. Thus, we see that Zervan depicts angelic cherubim characteristics (2 Chronicles 3:13; Ezekiel 10:14). Further, Zervan was typically accompanied by snakes wrapped around his legs, arms or body (The Mysteries of Mithra, by Franz Cumont, 1903, page 93). Scripture reveals that Satan (formerly Lucifer) is a fallen cherub (Ezekiel 28:14–16), and is associated with the snake (Genesis 3:1–14; Revelation 20:2).

But even the Roman Saturnalia and Persian Mithraism were adaptions of an even earlier mystery religion—the Babylonian mystery cult. The ancient Babylonians celebrated the reborn Nimrod as the newborn Tammuz by worshipping an evergreen tree (now the common Christmas tree). The Babylonians also celebrated this rebirth during the winter solstice. Jeremiah condemns ancient Israel for copying this terrible paganism, and even specifically mentions the decorated evergreen tree in Jeremiah 3:13.

Regardless of fond memories or whether “everyone does it,” a true Christian will reject Christmas, not only because of the commercialism, the pagan influence, and the impossibility of Jesus being born mid-winter, but more fundamentally because Christ refuses to have any part with idolatry (2 Corinthians 6:15–16). Christ was never part of Christmas and He will not be “put back” in Christmas.

https://www.christianforums.com/threads/why-satan-loves-christmas.7980551/

From a comment on page 2: “It would be a shame that one would need to say satan is the face of Christmas, but it seems despite documented historical presentation it is necessary. And, yet and still arguments defending the celebration of such a deeply rooted non-Godly holiday will still be made. Now, I am under the impression that even saying Satan is the face of Christmas won’t even deter Christians from Christmas.”

Idolators of the Christ mass don’t want to see the truth from God’s perspective, i.e., His holy Word, on the “holy” day. No different than in Jeremiah’s day.