I do think that the Josianic return to the archaic form of the Passover is appropriate and, indeed, historical. Josiah does go back to a different, earlier tradition, the time of a central sanctuary in which the law code was read. But then there were accretions to the Book of Deuteronomy.
Frank Moore CrossI would not speak of Judaism as a Talmudic or Rabbinic religion. It's a Biblical religion.
Frank Moore Cross