He&#x27;s referring to the double-Irish arrangement, a similarly dodgy tax scheme used by multinationals:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Double_Irish_arrangement" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Double_Irish_arrangement</a>