It truly baffles me why any nationalist or Catholic player chooses to play for NI. Like McClean said there is no way you can feel at home as an Irishman playing for fans who wave Union flags and sing God Save The Queen, not to mention the more sectarian songs.
It's a bit of a tough one though...
Play for Northern Ireland, get death threats (Neil Lennon)
Don't play for Northern Ireland, get death threats (James McClean)