https://www.theguardian.com/world/2015/oct/13/why-do-north-k...
https://www.pri.org/stories/2015-01-22/problem-north-korea-s...
Does their posting content on Youtube make them less credible?
Judge the originator of the content, not who hosts it.
Might as well go "Ah yes, the internet. A trusted source of information."
That's how shallow your retort is.
However, SK is a free capitalist country, and NK defectors need to eat, so some of them find gainful jobs telling conservative pundits what they want to hear.
Of course there's no doubt that NK is a horrible, horrible place, but still, sometimes you have to take some of these viewpoints with a grain of salt.
Defectors in South Korea are by law not allowed to talk positive about North Korea.
If you isolate a country economically by cutting off all legal ways for it to trade with the international community, it will have to rely on illegal ways.
Generalized trade sanctions have time and again proven to be ineffective because they are so indiscriminate. They're meant to work as a deterrent, not a punishment. But the deterrent works with the threat of disrupting the economy, which only works short-term as the existing supply chains come to a halt and businesses panic. If you sit the sanctions out long enough, the economy will have already collapsed and will rebuild itself under the new restrictions. Once the economy has adapted, the sanctions are no longer a deterrent, they're just how things are, and the promise of conditionally lifting the sanctions feels like a trap because it would require changes to the economy that would again make it vulnerable to those sanctions if they were reinstated.