The IRA is ultra-Left (in fact, Communist) anti-Israel, and pro-moslem/Arab. It has been this way for decades. Qaddafi and the PLO trained, armed, and financed the IRA. Their publications and web sites are entirely anti-Israel and anti-American.
The old Fenians wanted a de-anglicized, "Gaelic" Ireland. Ironically, the same Gaelicism that excludes Anglo-Saxons includes moslems and other Third Worlders.
And you hit the nail on the head and few people know what you have just said.
IRA is a Marxist band of thugs and hate the Brits.