It's meaningless on an economic level too - I could claim that if the penal laws hadn't been enforced and Ireland hadn't been intentionally kept as an agricultural rather than an industrial economy, my family might have been richer (and at least entitled to own land and vote). But I don't hold the British government - or you, my British chums - responsible for this. I certainly don't think I have the right to say "my ancestors were repressed and forcibly kept poor and ignorant! Give ME money for this!"
Maybe it's just because compensation culture really bothers me. I'm a socialist, I believe the state has a duty to the people, and I don't believe in some sort of Darwinian social order in which the weak fall by the wayside. But I don't believe that everyone deserves money for everything that happens to them, which isn't a particular person or institution's fault. I don't believe that if a kid falls in the playground they have a right to sue the school (and I know of lots of schools, including the one where my mother teaches, where children are no longer allowed run in the playground because selfish parents have sued the school for tens of thousands). And while I do believe people are entitled to compensation for something bad that has been done to them, I don't think I or anyone else deserves to be compensated for anything, no matter how horrific, that happened to our great-great-great-great-great-great-gran