I'm pretty sure Kim Jong Un doesn't wake up to see every daily paper sticking the knife in, that if he makes a tactical error trying to protect a colleague from a corruption charge that it doesn't result in him losing safe seats, that he doesn't have one hundred members of his own party voting against him.
This government is full of deplorable people who could do with kicking out of office and/or prosecuting, and the state of civic morals is in a lamentable state but this is not what it's like in actual dictatorships.