He's either been paid off to promote the jab (highly possible)
OR
He's getting so old, and part of him is afraid of hell -- and meeting the dread master he's been serving all these years.
Time to pay the piper.
What a fool. When you're young, selling one's soul for fame and riches sounds like a great deal. But when you hit your 80's, you start to see things differently...
Life is short. Eternity is forever.