Americans that lie about their background and then proceed to steal your organization secrets, infect your co-workers and turn your company into a supply chain attack vector - are exactly the same type of the problem.
The thing is, it's somehow mostly (not only) North Koreans utilizing this particular tactics.
PS. They wouldn't allow you this rhetoric, regardless of you being sympathetic with them. It would be allowed only if you embrace the Juche and the Supreme Leader cult in fullest. Otherwise, you're nothing to them, an enemy, you don't deserve the Geneva convention or any of the basic human rights, by the doctrine's definition. The system there is not even like China's "One country, two systems", it's a thing on it's own.