User blog comment:MasterBroccoli/Building categories/@comment-5157002-20190612193110

I agree. I don't see the purpose of a category that lists (for example) all Barracks units and technologies found across all games. If it was named something like "Barracks units and technologies (Age of Empires II)", there might be some point (but even then, I think the Barracks article handles it admirably).

Also, I don't see why the Castles are divided into different categories, when the others aren't.