How can Cardinal Koch tell the Jewish Left organizations that Pope Francis' interpretation of Vatican Council II is magisterial ?

 How can Cardinal Koch tell the Jewish Left organizations that Pope Francis' interpretation of Vatican Council II is magisterial ? How can Vatican Council II interpreted with an irrational premise, to create a rupture with the past Magisterium, be the Magisterium of the Church after 1965? There was a choice for Pope Paul VI in 1965.

How can he project ' a development of doctrine' with specious reasoning , which rejects the original and traditional doctrines of the Catholic Church ? - Lionel Andrades