America was never about helping the people of the world. Many who believe that are mostly victims of propaganda. It’s all about American interests. If it’s in their interest they will give some reason like liberating a people as a pretence to enable military action.

Also to directly answer the question, they have nukes trained on Seoul, have the backing of China which considers it a buffer against western influenced south kr

Probably just think about why that gift is a concern for you, then discuss your concerns with your boy