Atheism Revisited

The sad truth is that landslides result in many deaths the world over every year, sometimes wiping out whole communities – 2000 people were killed by one in Peru in 1962. The most common cause is erosion which leads to loss of stable ground and then to a collapse just as with this cliff face.

If belief in God is likened to a cliff, what are the corrosive forces that might lead to a collapse?