[@Fabricant451] Ok, to clarify...the first part was a joke! A probable joke..ok he might do it but not that he will.

Secondly, ruling through fear is a viable method. Short term? Long term? As long as he gets through the first generation the second one who were still kids will fall in line from the propaganda during the training.

Someone show that they aren't afraid you say? That someone is a fool who wants to die. And he will die.

And yeah, Jack is the head of the military. And where did he show that he doesn't care about their lives?

You think it's improbable that he also has the lords and their families under constant surveillance?
You think that wouldn't work? One guard here, one guard there and even if the families don't know it, a couple of their guards answer to the King.