Lol, whats the big deal, if anything he is good at sales promotion, he wrote it in there knowing very well that the press, blog and all else would do just what is happening, give it publicity. Its a damn good thing for him and his book, in all reality what can the FA do?
The guy is intelligent enough to know that a slap to the face would bring countless repercussions to him as a player and am speaking financially, so how best to get it out of the system, put it in a book and let the press and media do the rest.