Are you a sedevacantist?
No, Sir, Im not.
I can just recognize bad popes and bad councils that are not in accord with Catholic Tradition. This is not the first time in the Churchs history that She has had bad popes. And VC II was purely a pastoral, not dogmatic, council.
Unveiling a new work on the Second Vatican Council in Rome , Cardinal Walter Brandmuller, the retired president of the Pontifical Committee for Historical Sciences, announced that Vatican IIs decrees on non-Christian religions (Nostra Aetate) and Religious Freedom (Dignitatas Humanae) do not have a binding doctrinal content, so one can dialogue about them.