Few flaws with your argument there Gav. A single man can't fire you to the premier league, Vardy only scored 13 league goals in their promotion season but they were promoted due to team ethic, same with Burnley... I'm sure you agree. Players who work hard like Graham set a standard for work rate for the rest of the team, which over the course of the season i think is more valuable if scores slightly less than players like Rhodes... Vardy proved that.
Not that a promotion push should enter anyone's heads of course but if thats what Coyle is going for he's some work to do yet. Some cash needs to be invested into one or two promising players from the lower leagues in my view, i'd sign Powell too... Without question.