If there's some purpose to a reveal that directly relates to gameplay (as the likely basis for a new playable faction, for a frequently cited example), then sure.
Otherwise, I don't much care one way or the other. I appreciate the lore bits and flavor text/unit responses/etc. insofar as they add some character to the factions that I'm playing (making the factions somewhat relatable via gameplay is something Sins did a lot better than Ashes in my view) but if there's not going to be a story-driven campaign - which I likely wouldn't touch anyway if I'm honest - then I don't really need that question answered just for its own sake.