Sedeprivationism seems to best explain the Crisis in the Church, and it seems to have the best response to it. Even before I learned there was an official position called "sedeprivationism", I, innately, pretty much held the same position... The response to the Crisis by SPs and RRs seems to be the same, but their semantical description of the Crisis and view of the Conciliar clerics, especially the hierarchy, is different. Semantically, the RR description, hence "recognize" is a logical contradiction. Both groups really should join together, for they both essentially believe the same about the Crisis, at least the response to it. I suspect what's holding them back are the past actions of several SPs. They need to publicly repent for their shameful civil suit against Archbishop Lefebvre. And
RR needs to admit their "recognizing" is not logically sound, although their response - "resist" - to the Crisis is very righteous and a defense against "Satan's masterstroke", which, "is to have succeeded in sowing disobedience to all tradition through obedience." ~ Archbishop Lefebvre