Even fantasists may be having useful-for-them communion with internal archetypes, and figuring out conflicts and stuff. I mean it’s not always great when they dominate a thread and start laying down the law, but overall, people usually handle that pretty well if someone tries, and the value of personal roleplay can be very real to the person doing it.
Very little different, substantially, to Creating A "Cabinet Of Invisible Counselors". 
Society works really hard to crush people, sometimes the psychologically-necessary reaction to that can look a bit weird to outsiders.
Wise, wise words. 