Let the experienced and holy and soul-winning, solidly orthodox pastors speak.
Where are they? The few I know have been demoted and exiled to islands and beyond.
P.S. The indissolubility of marriage has been in question ever since Francis opened his mouth on his plane trip back from Rio.
As far as all of your hypothetical situations, how is convening with Muslims, Jews, and heretics going to help Francis and his hand-picked solidly heterodox bishops mature?
Unfortunately, that pertains to most "conservative" Catholics in the Novus Ordo Church.
I see it over and over again on this site.