If a person simply does not believe in God, or does not care about God, then it seems like he would just ignore all of the "religious talk" that permeates our society. However, if atheism or agnosticism is his religion and/or world view (either stated or unstated), he will fight back against the very idea of God.
This is happening more and more in our country. George Barna has recently completed a study about this issue. Click here to read more.