Gads it's demoralizingly difficult to come up with a Christmas homily. There are so many factors involved. There are those that this will be your one shot per year to say something meaningful. What can be more meaningful than to suggest that this is a way of life rather than something to do at Christmas:
And who exactly for whom do you fashion your homily? For children? For adults? For practicing Catholics?
There's a tightrope to walk between so many competing considerations: