The Protestants are the ones whocame to occupy Cathloic Northen Ireland incase you don’t know Irish history. They came and tried to stave them out during the blight which bought many to this country my family included. We have not forgotten.
Still pissed at the Apaches, the Comanches, the Germans?
Refuse to buy a Japanese car over a seventy years passed conflict?
Kneecapped a Vietnamese lately?
There are times to prepare for the next war, to fight a current war or two, and times to get over wars from a past we can only read about and interpret through today's lens.
By making itself ungovernable, Northern Ireland only makes itself more miserable.
PS: If I remember my epic cattle raids correctly, Ulster has always been set apart from the south.