On your point 5, everybody - except our befuddled preterists - knows Revelation was written late in the first century. This gives time for the alleged successors of Peter to have been well known in the churches everywhere. Surely such a successor would have been, at the very least hinted at, in the Lord’s letters to the seven churches. No such hint, no mention. If Jesus Christ knows of no such Petrine succession, neither should we. Romanists know more than Jesus Christ?
The reality is that as said, the Holy Spirit simply does not testify to the papal primacy promoted by Rome.
Strangely ... and sadly ... the answer to that question in practice is ... yes.