On the potential downside, if this were done in the numbers needed to incite revolution, this would be interpreted (correctly) as a foreign attempt to destabili

On the potential downside, if this were done in the numbers needed to incite revolution, this would be interpreted (correctly) as a foreign attempt to destabilise and change the regime; essentially, interpreted as war through means of inciting revolution. Whatever happens at the point the DPRK authorities realise this would probably be bad news for everyone.