Simply speaking, the parable of the arrow (or 'Parable of the poisoned arrow') is a Buddhist parable that illustrates one to focus what is really important right now.
Currently US and America are struggling over the origin of Covid19 and trying to put the responsiblity to each other, however it will lead people to no where but disaster.
Hong Kong news DailyHongKong wrote quoted the parable of the arrow and suggested stop fighting over the origin and give the Covid19 cure for the people.
(Korean) Original source from: https://dailyhongkong.com/2022/09/18/buddhist-parable-of-poisoned-arrows-the-public-suffering-from-the-covid-19-origin-debate/