I'm not sure how offensive and divisive non Brits and non Irish know this is. If not withdrawn these t shirts could have caused fights bigger than the UFC, likely to Parliamentary level. people have been killed over less there. I know many people think Conor McGregor is British when he's not at all, as well as thinking Ireland is British.
Reebok blames 'design error' for controversial UFC Ireland T-shirt
Reebok blames 'design error' for controversial UFC Ireland T-shirt