Critique Time!

[Fidel_Castronaut]

The only thing I can think of is to repeat back exactly what has been said, inserting other words like Santa or giant penguin, or Harry potter book. To make the point that assigning absolute truth to a random book makes no sense, nor assuming the characters and events in it are real, just "because".

Then we can see if a theist accepts the new claim?

It's not original I know, but I think it provides a stark contrast between what is accepted without thought and what is dismissed without thought.

I mean, I've been saying how God is sitting next to me all day, but it's not been taken seriously. Why is that?

I don't think that will work. GC's been here, what, 4 years or so, and is still using the 'you just don't want to believe' BS as his main argument. If you point out the absurdity of their arguments by simply replacing their 'god' with another equally unevidenced being/creature/item/'thing', they accuse you of not being serious because, of course, their god is the real deal and all those others are totally fake.

Lost cause if there ever was on, mate.