If you are so apathetic, then why the web site?
We are apathetic about the same thing we are agnostic about. Nothing more, nothing less. Personally, I may not care if there's a god or not, but that doesn't mean I don't find religion fascinating (or hilarious, occasionally). Just because we identify as apathetic agnostics does not mean we are apathetic about everything.
If you need this issue addressed at greater length, these are some of the articles in which this has been addressed:
Feel free to contribute to the discussions through questions or an additional article or two.