They're meaningful in the sense that based on the roles listed in the OP, we can safely assume that anyone posting anything in a QT was non-town.
Now, the question of whether we can get anything from them is a different story... We have limited context clues, and it's not like we're on the old board where folks have tens of thousands of—[looks at other players' bios] oh. Anyway, yeah, it's likely more of a theoretical asset right now than anything we need to focus wholly and entirely on, but it's not necessarily nothing either.