And they took advantage of an error-strewn Falcons performance, which began when Armitage picked up Tait's spilled ball and sent in Ojo for the first of his three tries, all of which were converted by Ryan Lamb.
The Irish struggled and spluttered through their opening pool match against Namibia and tonight they will be wanting to put that error-strewn performance behind them ahead of the crunch contests against France and Argentina.
But the implications of this had, to date, "not been well-presented to government, nor have issues of measurement error and the implications these have for performance tables".