That might be so, but your implications are the "fake news" here.It is well known fact.
The Hasidim and Sephardic Jews are from the Mideast Hebrew of Semitic Arab origins.
But the Ashkenazi are of Turkic origins and are from places like Poland and Russia.
Like Netanyahu is Ashkenazi and from Poland, with no Mideast heritage at all.
1) Judism has no prohibition on becoming a Jew. Nor requirement of being any particular race or ethic, or not of.
2) Hebrew origins, Abraham and his clan, are of Sumerian 'Semitic' peoples and lands. Back about 4000+ years ago.