Yeah, the tax/hireling system is broken. And the stronghold is so lifeless. I thought there would be workers doing repairs, people coming to your court, somebody living inside. Instead you have several shopkeepers that are more like vending machines, guards who are like patrol robots and a statue that never says anything new. Oh and the achievement for rebuilding it is broken too. I dunno, it does not seem that spending all that money gives you any in-game advantage, and it does not feel like you own an actual castle since nobody lives there. To me it is the weakest part of the game. Most of everything else is pretty solid, but I do not think they had time to work on the stronghold, since everything in it beside the map itself feels unfinished.