Per the article;
"He's 32, his stuff is diminished, and his strikeout rate is dramatically lower than it was last year." "18 home runs in his last 11 starts."
"Yet he remains a valuable starter." He is "engaging and endearing" as well.
Get good baseball players. If they are engaging and endearing or whatever, fine, but it's about winning baseball games. If he can't get guys out anymore, thats too bad for him and for us, but you have to move on.