I'm actually fascinated by the yuletide stoeies b/c they collectively to me create a boundary case simply by definition.

Otoh, the audience of an exchange is that of one; otoh, the raredom of the sources sets it outside a specific fandom community; finally, though, given its limited circulation and advertizement, the majority of readers and writers are "in fandom" so that the use of fannish tropes is recognizable evn as fandom specific references are not...