If multinational corporations are no longer able to do a Double-Irish Dutch Sandwich anymore, it doesn't make sense to stay there.
Which means the future losses in a single year from several large multinational corporations leaving will be larger than this one payment.
> If multinational corporations are no longer able to do a Double-Irish Dutch Sandwich anymore, it doesn't make sense to stay there.
That figure isn't going to change, nor are companies going to be running out of Ireland - the tax strategy has been shut down for more than a decade. Ireland has other features which make it attractive to US businesses, including strong historical ties and being the remaining English speaking member of the EU.