The bottom line is that a caucus label cannot be used as cover to fire pot shots at the beliefs of others whether by title or content of the article or by the discussion on the thread.
In the earlier sidebar, I used the example of a Buddhist caucus posting an article titled "Jesus should have packed heat." That title would be inflammatory enough that the caucus protection would be removed.
If you think Paragon Defender was abusing the Caucus Threads, sanction him, but do not forbid all Mormon Caucus Threads. Punish the offender not the whole group.