I don’t believe in taking it outside of the nation.
If he had done it on North Korea TV I could see some validity to that. But he did not support North Korea, the interview was inside a longstanding alliance nation, and we are not currently at war {actively} with North Korea.
BTW as for LBJ being in it for the money? Yea so are da Bush's too in China. Of course many were mad when it was Hill and Bills family but when da Bush's hugged the Chicoms it was one big happy family. A passive policy with NK will get us nothing but grief.