I don’t actually think it will collapse any time soon.
Have read a few books on NK escape stories and all of them show the people aren’t as stupid and indoctrinated as they think.
It’s really the fear of not knowing who to trust to even say anything negative that’s the issue.
The gov even ignored the obvious black market for one point when things were really bad.
And very few actually have any power at all to do anything. Most of those who have political power are promoted through loyal families with no bad records.
If we look at early china as an example, even during the great famine, the regime hold on power is just as strong