In my post on Keller's article, I mentioned at the end the conclusion of myth that attends de-historicised Genesis 1, etc.
There's a bit more to myth in this connection, I think. The part notions of time play needs to be touched upon. I mentioned that time seems to be related to capability: e.g. anyone can build a bridge, given enough time, but engineers can do it with reliable speed: next year, not next century.
One of the plays of time in myth is part of its de-historicising effect when extended to crazy periods. Eliade talks about this in his book of earlier posts.
When vast periods of time are interposed between then and now, they serve to break the possibility or validity of explanation; they destroy prevenance, and bring to question any assertion of relationship. Myth allows, even requires, its basis to be 'lost in time' and beyond both question and any verification.
One of the things that the Bible's treatment of the time of its own history is to underpin and demonstrate the underpinning of continuity between events of creation, where our resulting from God's word is recorded, and the historical stream to now.
This, and the period involved removes alternatives that would destroy the connection demonstrated, and allow all sorts of 'worship of creature' into our religious world; which is precisely what history shows to occur.
