Nobody would make porn in NK unless explicitly ordered to by the regime, people there are terrified to make the wrong facial expression as it could result in them and their entire families condemned to prison camps. There is no hedonistic rebellion in a society that controlled.
This is the excuse for the executions when in reality it could have been the tiniest of transgression. Perhaps she moved on to a new relationship, she smiled at someone or someone flirted with her, maybe someone made a joke or comment that was construed as less than worshipful of Dear Leader.....