That's the song! Now we just need a rewrite for hirelings."Well, a man must be mad, or want money bad, for to venture catching whales.."
Those are generally much less involved in the minutiae than old-fashioned tabletop wargaming; how many of those games involve tracking whether you brought enough fodder to keep your horses at top form or the like? In any case, whether large-scale strategy games are niche or not, the D&D family of games weren't occupying the same niche as them for very long.