Ahaha brilliant
Ireland is the Island of Ireland, which has 2 parts, NI (Part of the United Kingdom) and ROI, these facts are very simple.
Anyway, we are talking about aviation here, and should consider Ireland as an island, as in terms of market there is no border, nothing stops people flying from an airport in a different part of Ireland, which is why so many Donegal residents fly from Derry and other Northern Irish fly from Dublin.
Only consideration is currency.
Anyway, airports always say they're talking to airlines, brings them
PR. While Norwegian are there nobody will go near BFS.