Because in the end, him meeting a tragic end all to appease the author's anger does no good. While if Kim Jong can open up it would have a larger and more positive impact. Just a matter of trying to break the cycle of violence.
> Just a matter of trying to break the cycle of violence.
What "cycle of violence"? Hasn't North Korea been run brutally by the same family for 50+ years? That is what needs to be broken, and it's far more likely to come to an end in a violent/tragic downfall than in a peaceful handover of power to his son.