Why would it fail? Traditionalists?
A Connacht province of Mayo, Galway, Roscommon, London, Longford, Leitrim, Sligo and Cavan would be interesting.
Likewise a Munster Province of Kerry, Cork, Clare, Waterford, Tipperary, Limerick, Offaly and Laois.
If Kildare bordered a Munster county I would be delighted to get away from Leinster,