Several bad reasons to dismiss fine-tuning
I've been doing a series on Greta Christina's laughably bad reasons why we shouldn't believe in God. In my most recent post I examined her claim that all religious arguments are 'ridiculously weak', and noted that she linked to certain posts on her own blog where she examines some of those arguments in more detail. I'm going to take a break from the regular series and look at some of these, starting with her post on fine-tuning. Things are not off to a promising start with her description of the fine-tuning argument: The Universe is perfectly fine-tuned to allow life to come into being. The distance of the Earth from the Sun, the substance and depth of the atmosphere, the orbit of the Moon, the nature of matter and energy, the very laws of physics themselves… all are perfectly tuned to let life happen. If any of them had been different by even a small amount, there could not have been life on Earth. And the odds against this fine-tuning are astronomical ....