You can leave a kid alone and it will learn to fend for itself, how to work the remote, a tin opener, and the microwave. I see the holidays as a chance for kids to learn self-sufficiency.
Many people celebrate Christmas as a secular holiday for the most part than a Christian holiday. Obviously, many, many people celebrate it as a Christian holiday. But then there's even more people or there's additional people who celebrate it as a secular holiday as well.