Real Christians understand that on the day He was born, Jesus was God’s ultimate gift to the world, providing for our salvation from sin — eternal life. He is “Immanuel - God is with us.” Real Christians understand that Jesus is God in the flesh, a member of the Trinity, eternally existing.
Mormons want to make everyone believe that they are Christians, and they do everything possible to proselytize people into their false belief system. Part of their methods include the use of social media for reaching those who are easily taken in by Christmas hymns and nativity scenes. These become hooks to Mormon teachings, so be careful with what you post on social media because you just might be sending people to Mormonism.
While real Christians can celebrate the virgin birth of God incarnate, who brought us salvation and eternal life, Mormons can only celebrate the normal birth of a normal man conceived through sexual intercourse who ultimately has no salvation to offer.
My prayer is that many Mormons will come to know the true Jesus of the Bible by contemplating what Christians teach about what we celebrate on Christmas. In this way perhaps they will truly listen to the real Word of the real eternal Christ.