text: I'm atheist and I'm not offended by the greetings either. Why would I be? Because I'm not Christian? That's silly - many of us celebrate Christmas as a secular holiday. It was pagan anyway before Christians decided the birth of Jesus should be moved to coincide with pagan celebration of winter solstice to get more converts. 
  
  So "Merry Christmas" from this atheist to you, and enjoy the time off, regardless of how you decide to celebrate.