In defense of Marty ...

.....(never thought I'd write those words, didya?) the inanity of the headline, and the lede seem to be the "journalist's" words, not his.
Nowhere in the article is the non-Catholic lyricist quoted as saying that to be appropriate liturgical music, a song must "reflect the singers' heart."
And it sounds from the process he employs today we will be spared anything further as wretchedly inappropriate as many of his most widely performed "psalms".