The word originated 5th century BCE in Greece. It's a real word with a real meaning whether there's people that want to admit it or not. I agree with you though, definitely.
* αθεοι (atheoi) meaning "without god" or "godless."
Here's another list that says, Atheist.http://www.celebatheists.com/wiki/Main_Page
Personally, I don't see the problem with the change. I'm not sure I understand what the fuss is about here. If people who were on the list are no longer there, then I understand the problem. Otherwise, who cares.