I see Eoghan Harris’s piece yesterday was entitled “Jim Larkin would have lashed the Labour Party.” And he probably would have, though not for the reasons that Eoghan suggests
http://www.independent.ie/opinion/columnists/eoghan-harris/eoghan-harris-jim-larkin-would-have-lashed-the-labour-party-3230030.html
The piece ends on a typically modest note: “As the author of a play called The Ballad of Jim Larkin and a lifelong admirer of this least nationalist of Irish socialists, I am certain that if Larkin was around last week he would have been outside, not inside, Carton House. Giving two fingers to the Irish Labour Party.”
But did not this “least nationalist of Irish socialists” work with Fenians in opposition to the Allied war effort? Did he not oppose the Anglo-Irish Treaty? For more (though not much more: it’s a short piece), see Emmet O’Connor’s, “Red Jim was a Green Man”:
http://www.irishdemocrat.co.uk/features/larkin/