I think that's kind of the problem in general, the real issue is, the firewalls and controls. It's not about believing the western propoganda, but simply the lack of non-propoganda sources. IE how can you find out if finland's policies are better than america's.
Hop into a public chat room, chat with someone from finland, or book a vacation to Finland or maybe find someone from Finland who's visiting or moved to the united states.
Not something you can really do with North Korea.