John Halton appears bemused (also mentioned here) by the lowercase beginning to the word “god” on this blog and among atheists generally:
Oh, and what is it with atheists these days saying "god" in lower-case all the time? It wasn't like that back in my day. I'm not a Buddhist, but I can still bring myself to use a capital "B" for the word "Buddha". Ditto "Allah", "
Some will argue that god is not an idea but a name. When a Christian says I believe in god, she is referring to a specific entity. Yet, if you accept that god is a name, in the same way Kevin Rudd is a name, strictly speaking both “God” and “god” correct. You could call our Prime Minister a “father” or you could call him “Kevin”. In the same way you could call the Christian god “God”, his name, or a “god”, what he is.
Seeing as god is more of an idea that an actual entity, the lowercase “g” is more suitable.