Then you're obliging yourself to be invested in other nations and their wellbeing, even if it's possibly at the expense of your own. You can't complain about your country's interventionist foreign policy or interference abroad and vice versa if you make it your prerogative to assert yourself upon other nations; it legitimises the left's arguments that immigrants are entitled to to reside within America because of their actions abroad. Why
wouldn't 9/11 be justified as an act of defiance against a hostile power in that instance, if it's indeed America's intent to undermine the sovereignty of foreign countries to assert its own interests in the area? This mindset is what enables globalism to begin with and obliges America being at the beck and call of the entire globe then.
But NK are capable of supplanting them and their missiles have been shipped to Yemen since
2015 and have aided in the construction of Hezbollah's
infrastructure. Though it's hard to determine if this is wholly NK's doing or if China are just undermining US allies in the Middle East.