While the God Delusion was not on our reading list when I was attending a Christian Church School, other books such as Mark Twain's Mysterious Stranger which addresses many of the same issues in a somewhat more readable manner, was. One of our tasks in Sacred Studies was to build and defend the case for Atheism.
GOD certainly has nothing to fear from what people believe, and despite what many seem to think, if GOD exists, GOD exists regardless of whether or not anyone believes in Her.
Immigration has been a problem
Since 1607!