Bendter is pretty good and i'd certainly take him over Chamakh. And you know he can't blame his form on confidence since he seems immune to believing anything is his fault
Thing is, thats why he's calm and thats why he got a goal, two assists against a rampart Barca last year, and helped with the fight back this year. Also why he had one poor touch, ran after the ball won it back then calmly slotted it into the corner.
I also think he has a range of goals NO ONE in the team has, he headed in a fairly tame(accurate and good though) cross and without pace got it where it needed to go, he can head from anywhere, he can shoot from outside the box, inside, curl into top corners, blast it, fumble it over the line.
Both Nasri and Arshavin have essentially played 6 times as much football in the league as Bendtner, yet with his rough statistic of a goal or an assist for every game he starts neither would match that.
Again I'll point out he plays the majority of his games as a right winger, and he isn't a right winger, yet still produces results.
Really don't know why with some players people only focus on the misses, every player misses, even sitters, Rooney's missed dozens of sitters this season, thats life. If he played 3 times as much this season and had 3 times as many goals and assists Arsenal fans would be creaming themselves, the question you've got to ask is why isn't he played more.