the naive writers of the story had no idea what a flood would be like that rises at ~ 10 meters an hour, the turbulence, the forces of the repeated pounding on such a large wooden vessel, held together by dowels, tenons and dove tail joints. How about the inevitable waves, with a worldwide reach not limited by coastlines coming every 2 minutes or so.
all these bible stories are insulting in the light of what we know now. The fact that the "co creator" of the mighty cosmos endorsed it, speaks volumes about the authenticity of the claims.