Yes that's correct! It is about sharing what you know and love of your own world. Of course it's not mandatory to do so, if that's not your thing.

[ He knows how frightening it can be talking in front of strangers and the like. And the fair was supposed to be fun, not anxiety inducing. ]

Ah, well, sometimes things came up in the past, like drafts and shifts, and not everyone keeps track of the journals. So it's...a bit harder to get the notices out for club meetings and the like.