The Best Ideas Outlive their Progenitors...
the existence of this thread speaks to Roddenberry's Enduring Genius.
i see the appeal- roddenberry certainly would forbid it- but DS9's and post-rodenberry treks' journeys into spirituality seem to have struck a chord with their viewers... it's commercially viable, but not worthy of The Man, to be sure.
A Galactic anthropologist's slightly more objective cataloging of belief systems and their comparisons would be fascinating. Much Grist for the Mill.
They conviniently had a 20th century historian aboard Ent-D (even if it might have been his secondary job), I could see an antrhopologist there as well. That character would be interesting.