Lethargic Man (anag.)

And how is this different from what Judaism does, taking Babylonian myths, such as the Flood, and Judaising them? I don't see any references to the original Utnapishtim or Gilgamesh in the story in Genesis. Yet they were there in the original form of the story. Even Dr Hertz, (former) Chief Rabbi of the British Empire (hence Orthodox) accepts this:

In its Babylonian form, Assyriologists tell us, the story seems to have been reduced to writing as early as the days of Abraham. It must have been known in substance to the children of Israel in Canaan and later in Egypt. But in the form in which, under God's Providence, the Patriarchs transmitted it to their descendants, it was free from all degrading elements, and became an assertion of the everlasting righteousness of the One God.

You seem to have an agenda in these comments, one of putting down Islam both in terms of attitude and in terms of it being a corrupt form of Judaism. I don't like the former at all; I'm not around to criticise any religion, or any form of one, here; if I wanted to, I could level just as many criticisms at Judaism. And as for the latter, I think you're misinterpreting what scriptures and religious practices, are all about. The stories of Ishmael in the Torah and Qur'an are not supposed to be an accurate historical record (though you will come across literalists who say so). Rather, they're part of (to use Roni's favourite term) Judaism's and Islam's founding myths. We write midrash around them, we use them to examine issues to do with good and bad conduct. We do not use them as anthropological tools to study the societies they are set in.