Since I'm not that far yet in the quest, I found a walkthrough that has the dialogue. Spoiler / highlight to see text:
IMO, the reference is definitely not pro-IRA. If anything, the word 'benevolent' is thrown in there in a sarcastic and ironic way.
To me it sounds like he was referring to a separate organization, like there's the IRA that isn't benevolent, and then "the benevolent IRA" has bake sales and sends random flower deliveries or something. Just me, I guess.
Also, anyone that can dig a single morsel of humor out of the entirety of Jeff Dunham's body of work is lost beyond all hope.
The USA was founded by terrorists in the eyes of King George.
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