From the article:
I'm sure the story of the flood and a boat to rescue life is a Babylonian invention,' he said.
He believes the tale was likely passed on to the Jews during their exile in Babylon in the 6th century B.C.
And he doesn't think the tablet provides evidence the ark described in the Bible existed. He said it's more likely that a devastating real flood made its way into folk memory, and has remained there ever since.