It's Ironic how they essentially groomed their dictator, perhaps some would feel like the guy that owned the brothel if they actually knew that their ways can create this monsters.
I think Hien should full disclose the story of Tsuyu to his ppl so that they can actually learn and improve, as things stand someone like Yotsuyu might come up again, it's easy to say that she choose her path when speaking in a position that is different than hers, but the truth is that humans aren't rational in distress (it is why charlatans are still prolific to this day)