I agree with much of the article except the part that paints Gerrard as some da-da idiot who can't keep his position. It belies that for much his career, especially his formative years, the box-to-box midfielder was en vogue. It is since around 05 that we have specialist enforcers and passers (Xabi-Masch, for example). So painting it out as "he can't do as well in the middle" is disingenuous because what is being asked of him has changed and for most of that time where this change in tactic has come he has played mostly SS, AM, LM and RM.
Also, this crap about him always going for the Hollywood ball or doing too much is overstated so much it's cliche - and wrong. Yes, he does it more than other central midfielders yet his passing completion rate is comparable with Lampard and Fabregas - neither whom people would consider wasteful. Players like Lucas, Masch and Xabi have far higher completion rates, sure, but that is because it is their duty to sit deep and dictate - and not do much else. Gerrard would be wasted in that role, if he were played in the middle.
And the reason he was shifted out had little to do with not being good enough. Rafa himself explicitly said that. At the time Gerrard was put out right we had tried several combos involving Nunez and even Cisse to accomodate Gerrard and Alonso in the middle. The reason he was put out wide is because none of those guys did well, whilst Sissoko-Alonso were more than good in the middle. It allowed us to have our best XI on the pitch, rather than putting Gerrard in his favoured position.