“This is the spirit of the antichrist, which you have heard is coming and even now is already in the world.” (1 John 4:3)
Not every Christ we see at Christmas is Jesus of Nazareth. Not every Christ would slum it like Jesus did, or hang out with the people Jesus did. Which Christ will you encounter this Christmas?
If we only practice hospitality with family and friends, what virtue is there in that? Everyone does that.