And these guys will laugh when somebody says it was created in seven days???
Who laughs at that? It just seems to be the sort of thing that a guy who knows very little about the strucuture and workings of the cosmos might come up with. You can't blame somebody for having been born long before the scientific method was discovered.
Umm, yeah, because your mythical allegory claims more than that the universe came in existence in seven days. Your mythical allegory claims that: (a) light; (b) water; (c) ground; (d) the sun & moon; (e) the birds & fish; (f) land animals; and (g) humans were created in seven days. Do you see now why these guys would not only laugh at you saying all that was created in seven days, but that they would laugh even harder at what you thought passed for witticism?
As for the only part that is actually anologous, "these guys" and your mythical allegory match perfectly: BAM! There was light.