Somebody Else's Babies

Not quite getting how it works:

Rachel Hosie / The Independent:

Atheists at risk of dying out due to belief in contraception, study claims  —  Religious people are having more babies  —  A new study has suggested that atheism is doomed because religious people have higher rates of reproduction.  —  Due to their lack of belief in contraception …

Discussion:

BizPac Review:   Study suggests atheists are a dying breed, and they have themselves to blame

You wonder what goes through their minds.