If there is no Pope, the Church has failed.
If the conciliar Vatican Institution leaders are Popes the Church has failed.
For in that case your Church is like any other Chruch that teaches some truth and some errors but has no leader that is protected with Charism of infallibility and which is not protected by indefectability. The Catholic Church is indefectable. The N.O. is very defectable.
This is what you fail to see, willfully or not, I don't know. But you refuse to see it.
A Pope cannot teach heresies which your "popes" have repeatedly done.
It is not a matter of engaging the "modern" man. We are the same as men from the beggining of time but with more gadgets. It is a matter of contradicting intrinsic truths such as the fact that there is no salvation outside the Church which is practically the opposite of what Father Ratzinger teaches and has always taught. Such as the fact that the Catholic Church calls for the heretics to return to the Church which is the complete opposite of what Father Ratzinger teaches. In fact he does not want us converting the Jews or the Orthodox.
The Catholic Church does not enforce evil disciplines such as allowing heretics to recieve the Sacrament of unity which Father Ratzinger allows. The Catholic Church does not search for Truth (as if she does not already have) with the heretics as Ratzinger does.
The Catholic Church does not teach that the Church of Christ and the Catholic Church are not one and the same as Father Ratzinger does. The Catholic Church does not patently reject the teachings against in the Oath Against Modernism as Ratzinger does.
What more do you need? If a Pope can do all this why have a pope? What purpose does he serve.