[Worldwide Flood Worldwide Evidence] "When the Bible refers to a worldwide Flood in Genesis 7–8, that’s exactly what it means. Not local, not metaphorical, not some crazy dream—the waters covered the whole earth. Don’t just take our word for it, though. Take a look at the evidence right beneath your feet...." Full text: Worldwide Flood Worldwide Evidence

"What does that have to do with my noting the director referenced cross cultural flood myth and the likely lack of intent to alienate a great potential share of his audience?"

Nothing.

"There are hundreds of stories and legends about a worldwide flood. Why do diverse cultures share a strikingly similar story?

Did you know that stories about a worldwide flood are found in historic records all over the world? According to Dr. Duane Gish in his popular book Dinosaurs by Design, there are more than 270 such stories, most of which share a common theme and similar characters..." Full text:
Flood Legends: The Significance of a World of Stories Based on Truth