Ah, because it's still faily-friendly when you take an opportunity to insert a B-word at the end of a song while the music has decreased in volume? Eh, most listeners won't actually bother to raise the volume again to hear it all.
But I totally agree, Al starting to curse (too much) in his songs wouldn't work for me. I have enough artists on my MP3 player that do it already.
"So I went in my garaage, got in my care
And I drived, talking with my blue teeth
My boyfreind told me don't cree
Come to my houss, don't worraye,
we'll talk about this togeedurr."