John Mitchel gets more divisive the more you read about him. A Presbyterian Irish nationalist who also was pro slavery. He just does not suit the stereotype of a united Irishman, even though he was one.
His opinion on the great famine will prick your ears. He was convinced it was a genocidal conspiracy dreamt up by Sir Robert Peel and associates.
I often think that the real power in America are happier for virtue signallers to bitch about slavery and racial segregation because it deflects from the real crime of genocide which occurred during the inception of the US and the frontiers. Millions died then, not just shot on the spot either, disease killed them also. A common European flu would annihilate a tribe from the Chesapeake Bay. It happened the same in Australia too. I don't believe for a second that Aboriginals lived only in the desert, they were forced out there for sure.