Some pretty distinguished former Irish internationals took the bait of responding to the ignorant wind-up of a journeyman footballer with QPR, best known for having a police record.
Why? Twitter has become the preferred medium of mediocrities desperate to be noticed.
If there's one thing that hurts more than hostility in their world, it's ambivalence. Quoting Orwell and Nietzsche will never dignify a fool. Ignore him and let his football do the mumbling.