I'm on mobile and it isn't letting me post the URL. I can't quite put my finger on it. I hope that makes sense. And if you do belong to a ward full of cretins, you must do everyone a favor and just ignore them until they go extinct.
Then she can have a chance to actually be the individual she is, and they can have an adult conversation about their future and whether or not they have one. Look up all the threads of people who are dealing with their true believing spouses -- the guilt, the silence, the bad communication, the hostage-taking. I feel I have given a lot of myself and in the process have lost myself and my identity. I would never give up on him because he got nobody else. And we are not bloody married yet.
I read through a few of the LDS. Work on myself, not him. Yes; I suppose if each of us believe the other is brainwashed, there's going to be major problems later on. She will probably feel persecuted and attacked if you try. There may be underlying personality similarities, but if the answer to "what shall I do next" is always trumped by a Morman frame of reference for one partner, but not the other, conflict is inevitable. Its was written in shorthand so its hard to read.
OP Have you seen the Brother Jake videos. The scenario where she refused to watch a possibly 'anti' documentary and wanted to watch church-sanctioned material sounds like a red flag. This also means giving her something specific to do. Best wishes to those struggling with these big, life-altering decisions.