To be fair, Britain is only just now ceasing to back horrible reactionary militias like the UDA and UVF, content with playing local tribes off one another to deflect from its own imperialist policies like it has for centuries, lending to the destabilization of such societies.

To be fair, the Irish never really had a society until the English showed up, and never showed an ounce of gratitude when they were finally given one.

To be fair, Potatoes

To be fair, England failed at several earnest attempts to exterminate the Irish and is playing the long game by infecting the island with virulently protestant Scots, a bold and risky move akin to weaponizing smallpox. Which they have also done.

The last 100 years only comprise parts 5 and 6 of the saga. So the Troubles was like just the "Return of the Jedi" of the whole England/Ireland epic.