Derailing the detente with North Korea is a big goal for the neos, because they want to make sure the 'Kwa is destroyed many, many times over. Even leaving out one possible enemy who is nuclear-capable is unacceptable to the 'Kwans. The Third World War must be as apocalyptic as possible for Amerikwa so it can never rise to challenge Swindler Central.
Imagine if instead of fighting against nations, you could mimic them and assume control of their countries from within to destroy them. Imagine the damage that could be done by foreign subversives placed at the highest level within the Amerikwan leadership structure.