Well, if the intelligent muslims are already taking this metaphorically, do you feel perhaps you are preaching to the choir?
Some Muslims take it metaphorically - by far the majority still take it literally.
If all Muslims took the Qur'an as not literally true but some sort of mystic symbolism (i.e hitting ones wife really means sorting out one's "personal creativity" like The Tailor) then there would be no problem and CEMB wouldn't exist.
But like I say, the majority still take these sorts of things literally.
For example I asked Debunker this question about the story of Solomon on another thread:
Hi Debunker,
Do you believe that the Qur'an's descriptions of Sulayman's interaction with the Jinn, birds and other animals is literally true or is some sort of metaphorical or allegorical story that should not be taken literally?...
@ Hassan
These stories including the miracles of Jesus, Moses and the rest are all literally true...