It would not be even-handed on my part to disallow a non-Catholic the use of the term Romanist for offensive debate unless I also disallowed the Catholics from using the same term for defensive debate. It cuts both ways.
Sources on both sides would be banned by such a ruling like any use of Chick is disallowed, i.e. either as a source or as a pejorative or as a strawman.
Somebody needs to recommend the Religion Moderator Entity to the McArthur Foundation for a fellowship as long as a journal and socio-psychological book are produced.