I trust Billy.
But this made me a bit suspiscious, the link when you click on it instead of just straight to jw.org goes here FIRST then redirects:
http://api.viglink.com/api/click?format=go&key=f38428291ed8e213546f1c4b510d2954&loc=http%3A%2F%2Fwww.jehovahs-witness.net%2Fwatchtower%2Fbible%2F270569%2F1%2FBillys-Comments-You-Wont-Hear-at-the-01-19-2014-WT-Study-7-Shepherds-8-Dukes&v=1&libId=e4cf5be6-1c95-4028-ab8c-2161f621e571&out=http%3A%2F%2Fwww.jw.org%2Fen%2Fpublications%2Fmagazines%2Fw20131115%2Fseven-shepherds-eight-dukes%2F&ref=http%3A%2F%2Fwww.jehovahs-witness.net%2Factive&title=Billy's%20Comments%20You%20Won't%20Hear%20at%20the%2001-19-2014%20WT%20Study%20(7%20Shepherds%2C%208%20Dukes)%20(1)&txt=WT%2011%2F15%2F2013%20pp.%2016-20&jsonp=vglnk_jsonp_139010163681310
Viglink is a referral company so I'm guessing this is something that Simon's put in here. Simon, can you please comment on this because my alarm bells went off a bit thanks.
Link copied directly from JW.org: http://www.jw.org/en/publications/magazines/w20131115/seven-shepherds-eight-dukes/