Do you think it is possible for LWers to perform this service for each other on this forum, or does it require much closer interactions and/or intimate knowledge?

So, one of the easiest ways to detect curiosity is to notice things like posture and demeanor- which seems difficult to do over a text-based channel! I have noticed that online comments telling me "I think you're suffering from bias X" have seemed more like arguments than observations, whereas similar statements in person can be more like observations than arguments.