implies most people since the King James version was published. Not at all clear that's what author meant; the concept of the world as we now know it didn't exist then.
So very reasonable to conclude that the Great Flood in Genesis was meant to describe a regional megaflood, which innundated the "whole world" meaning all of Mesopotamian civilization.
And there is archeological evidence of ancient cities totally buried in mud, i.e. as you say regional megafloods.
implies most people since the King James version was published. Not at all clear that's what author meant; the concept of the world as we now know it didn't exist then.
So very reasonable to conclude that the Great Flood in Genesis was meant to describe a regional megaflood, which innundated the "whole world" meaning all of Mesopotamian civilization.
And there is archeological evidence of ancient cities totally buried in mud, i.e. as you say regional megafloods.