Since this is a story regarding Ireland, there is a legal obligation that Bono and/or U2 have to be mentioned at least once, especially since they used to be business partners. Remember the U2 special edition iPod?
U2, reared in Ireland, have (has?) been roundly criticized by the Irish press/public for moving a lot of their business holdings out of Ireland (I believe to the Netherlands) to reduce their tax burden. They are made out in the press to be ungrateful tax dodgers/cheats. They are, it seems, working the loopholes like everyone else that can hire top-notch corporate tax accountants.
Ireland has its financial troubles like a lot of countries, but a lot of the "Celtic Tiger" growth during the pre-2008 bust as due to these special tax laws.
What goes around, comes around.