The IRA lost according to the goals they set themselves, Ireland is still partitioned. And the modern remnant and splinter groups are closer to drug trafficking gangs than militant resistance.
What can be learned from that conflict is how the state should act, especially when operating inside non and semi-permissive territory - any atrocities your forces commit will set back your goals, and fuel support for extremist actors.
The IRA could teach them a thing or two about insurgency.
The IRA lost according to the goals they set themselves, Ireland is still partitioned. And the modern remnant and splinter groups are closer to drug trafficking gangs than militant resistance.
What can be learned from that conflict is how the state should act, especially when operating inside non and semi-permissive territory - any atrocities your forces commit will set back your goals, and fuel support for extremist actors.