I don't mean to offend anyone, but my reaction to Christmas is partly my anti-capitalist stance, and partly my atheist one. That questioning these things leads to taunts and jeers (even from loved ones) is just the way it is.
I found an interesting site this morning, for the Humanist Internet Project.
"Humanism is a democratic and ethical life stance, which affirms that human beings have the right and responsibility to give meaning and shape to their own lives. It stands for the building of a more humane society through an ethic based on human and other natural values in the spirit of reason and free inquiry through human capabilities. It is not theistic, and it does not accept supernatural views of reality."