I'm in the middle of a game playing as Catuvellauni where I've managed to become a republic. When I noticed that my populist leader had a chance of becoming Archon I decided to just imprison them rather than risk it, at which point this happened:

I had no populist characters left in my nation so the game made some random character the "leader" of the populist faction. I have never seen this happen before, does anyone know how the game determines whom to choose for such occasions?

I had no populist characters left in my nation so the game made some random character the "leader" of the populist faction. I have never seen this happen before, does anyone know how the game determines whom to choose for such occasions?