howandwhy99
Adventurer
I'm into leadership building as an option in the game. If running fantasy organizations gets us there, I'm for it.
I also think that rules good enough to be included at all are good enough to let you get into stronghold management issues from level 1, if that is your preference. Sure, you aren't the baron, but you might be an officer of the watch or an apprentice wizard.
After all, what about the people that like this sort of thing, but prefer low-levels? And why should it be attached to a level at all, if it well done and fun?
I don't want every Fighter to get a castle at 12th level though.