It’s long been the case. Brendan behan said something on it the British people people in slums in Yorkshire or Birmingham no different to the people in Dublin or cork. It’s the establishment is the thing. Can’t remember his exact words but that was the gist
You have to question if it really matters, sometimes. Regardless of nationality, we're all just trying to get through the day. Cultural differences, sure but so what, Ireland, UK, USA, China, wherever, we're all just trying to keep food on the table.
Everything just seems to boil up when the govt starts making life difficult for whatever reason. It pains me that people blame everyone but their leadership and those pushing insane levels of money into steering it. The old divide and conquer seems to be going well at the moment, sadly.