The Society of St.Pius X should ask the Vatican how can they be canonically expected to accept a Vatican Council II with the false premise of the dead being visible

How can there be an ecclesial rupture if the SSPX rejects Vatican Council II with the added-on premise of the dead man walking ?

How can there be canonical restrictions for not accepting Vatican Council II with an irrationality ?

Canonically do we Catholics , SSPX and non SSPX, have to accept Vatican Council II with the false premise ?- Lionel Andrades