I think our hymns should stay and Bono and U2 should carry on with their work that they do for their charities and such.
I'm a bit of a heathen really, but used to love going to Christmas Eve service, such a lovely time with the singing and the season, when I went last time which was when we were home for the millenium I took my kids, they weren't impressed, and neither was I, no traditional Christmas songs at all and loads of candles about to light, which we'd never seen in our church (CofE) before...and the vicar wasn't as nice as the lovely one's who I'd grown up with