Well, you obviously haven't examined all of your worldview assumptions fully.
#1 -- you seem to assume there's only one (primary?) type of "dark oppression" -- perhaps socio-political -- and you seem to dismiss there might be such a thing as religious oppression. (Since Jesus referenced some Pharisaical Jews in John 8 as being sons of the devil, Jesus' comment alone reveals your shortsightedness)
#2 re: a more Christ-like dialogue between each other" -- are you aware that Christ referenced Pharisaical Jews as "brood of vipers" -- as "whitewashed sepulcres" (graveyards) -- as people who would proselyte in order to make their converts "twice the son of hell?" (Does that disturb your "wholesome" image of the Son of God as being only some meely-mouthed pushover?) Jesus was most "intolerant" with the religious legalists of his day -- and therefore, being "Christ like" will at times mean putting our foot down with contemporary religious legalists.
#3 -- you also assume that there aren't occasions where we don't seek even your version of what a "more Christ-like dialogue" would look like. I engage in that frequently -- because I think we also need to approach individual people whereever they are at -- and Christ had some of those kind of discussions as well.
So, these "civil" discussions have taken place in a lot of distinct settings. That includes numerous civil discussions with Lds here. It's included numerous civil discussions with Lds missionaries and Lds relatives.
I guess what I don't get is that you think you somehow know or have reviewed all or most...
...inter-religious transaction among certain FReepers,
...inter-religious relationship among certain FReepers,
...inter-religious FR thread,
...inter-religious online discussions beyond FR...
...and can therefore assume conclusions well beyond any mortal assessment.
Discuss the issues all you want, but do not make it personal.