Ohhh, please. Don’t cite globalist sources.
It’s been debunked, genetically, in Israel, too.
Not that there isn’t a bit of intermarriage at any time. Happens.
Interestingly, all Ashkenazi Jewish people are genetically the equivalent (at most distant) of 5th cousins. Our closest genetic relatives are Sephardic Jews (from the second Diaspora group).
And our second closet group are — Palestinian Arabs, followed by Arabs in general, with whom most males share the same distant paternal ancestor.