That hardly seems right, considering that when I was growing up in the 70's, I remember my family complaining about Christmas getting too commercialized (ads starting up right after Halloween, etc.)
It's one thing to prefer nativity scenes and traditional things to all of the Santa stuff stores trumpet, but Christmas isn't about buying stuff in the first place. I'd be happy to shop at stores that don't take advantage of a religious holiday to make a profit.
But they are taking advantage of a religious holiday to make a profit....and in the process...gutting the holiday of all its meaning and not respecting the religous aspects of this one particular holiday, while paying attention to other religion's holidays.