Then there's the fact that despite the name, the decoration of an evergreen with baubles and lights, has nothing whatsoever to do with the birth of a baby in a desert culture two thousands years ago.

I think it's pretty, and symbolic of celebration, however one chooses to celebrate, and that's all that matters. Don't care what they call it, and making a fuss over it being a Christmas tree just means those people are mean party-poopers who probably hate caroling, too.