Now this is getting laughable, but really. First, they did not speak Hebrew, but Yiddish, a non-Semitic language. Hebrew was used in the same way as Latin in Catholic Christianity, or Greek in Orthodox Christianity, and that is, only as the language of the clergy, which has nothing to do with the language spoken by the people.
Second, the same applies to ancient texts, celebrations, dietary laws, religious philosophy, which can also be said for members of any religion. But for some reason only European Jews came up with this almost genius idea of inventing their own history and to form a national identity from their faith and religious customs, thus connecting themselves with the ancient Jews and falsely claiming to be their descendants…