Not sure I see the big deal. He's basically saying Cam needs to be more consistent (like Brees) in 3 key areas. Does anyone really disagree with that? Then he picks a play to illustrate his point. He mentions that Cam shouldn't abandon his "sandlot skills" but needs to improve in the pocket. That sounds great to me. The final paragraph sums it all up pretty well.
I've been interested in his work (on MMQB and NYT) for a while because he sometimes works from my building, although I haven't seen him around lately. Keep meaning to talk to him when he's around. I think he's a really strong, analytical writer, and while I love reading fluff pieces on muh QB, I don't see the point in getting bent out of shape when someone takes the time to detail changes that could make Cam, and the team even better.
That said, fug Drew Brees and the Saints.
The big deal is that he didn't do his homework. Ask him when you see him how many times the Panthers run four verticals, which players they have capable of getting behind a defense in that formation, and how that affects Cam's YPA.