I don't see why now is any worse than any other point in time, frankly.
NI has a legal right to unify with the rest of Ireland if it is voted for in a referendum, under the good Friday agreement. So being able to reunify whenever they decide to is actually one of the key agreements that ended the violence in the past.
Amusingly, even the russian government corrected him on that too - to paraphrase, "we have lots of requests to interview Putin, he just doesn't want to do it"
"Quora is not a good source" is not an ad hominem.
This, however, is exactly that