The reason why people have issues with the flood story is,
1) lack of research / thousand of corrupted translations
2) taking the story and applying it to all races.
If somebody wrote a very exact history of Australia, but never used the name Australia therein, always calling the nation in this history China you couldn’t make much sense out of it. As a history of China, it would be demonstrably false, it could never make good sense until you put the name of the right nation into it.