I think people are being overly critical of Jack here.
To me his role has changed slightly, as Hardwick indicated it would at the start of the year.
He is after still the leading goal kicker in the league, despite often playing a foil type role to allow the other forwards space.
Not only is he kicking goals he is also creating goals for other players, directly and indirectly.
The bottom line is that we have a bigger spread of goal kickers and more importantly are kicking more goals, as a team
(Didnt he kick most of his goals from one on one contests last year, rather than a lead up type role?)