WB Yeats
The falcon cannot hear the falconer; Things fall apart; the centre cannot hold; Mere anarchy is loosed upon the world, The blood-dimmed tide is loosed, and everywhere The ceremony of innocence is drowned; The best lack all conviction, while the worst Are full of passionate intensity.
Just two examples
https://www.theguardian.com/uk-news/2019/aug/31/riot-police-out-in-glasgow-as-irish-unity-march
Where is the Good Friday Agreement now.
Oddly only the US Congress may save Ireland from a Hard Border.