Thats actually a rumour to do with the fact that in the 70's the payslips for UK employees came from the USA and had stamped on them IRA (Individual Retirement Account) making people think that every penny of your pound went towards irish bombersmaccies use to be the company that kept the IRA going by giving them the money to afford the guns and all that stuffbut hey i can see it now, making the 50 off the break and then sticking a nice juicy big mac in your mouth now that advertisment