O'Brien and others asserted that the Rising was doomed to military defeat from the outset, and that it failed to account for the determination of Ulster Unionists to remain in the United Kingdom.
Cruise O'Brien e outros aseguraban que o Alzamento estaba condenado dende o principio a unha derrota militar, e que fracasou en explicar a determinación dos Unionistas do Ulster de permanecer no Reino Unido.