CAROLS: Cognitive dissonance

I know, I'm a stick-in-the-mud when it comes to Christmas songs, but some musicians are seriously misguided when they mess with the classics. On the radio I just heard a depressing version of "Oh, there's no place like home for the holidays" done in a minor key. Earlier in the week I heard a lugubrious "Joy to the World" and a presto rendition of the usually peaceful "Silent Night." Why?