Originally Posted by
Not Brazil
No, it doesn't.
The Tricolour, as you well know, represents the Republic Of Ireland (styling itself "Ireland").
The Republic Of Ireland, as you well know, does not encompass the whole island (you know, the geographical entity) of Ireland.
Therefore, de facto, the Tricolour does not represent the island of Ireland.
You may disagree with these facts, but it makes them no less true :D
It is therefore wholly inappropriate for the Tricolour to solely represent any all island sporting body.