He's a good player surrounded by a good coach and an organization that drafts well. But his accuracy and making quick reads is what really hurts him. Yeah he has a 64% comp percentage, but when you run around for 6 seconds until a receiver is 5 yards wide open because coverage breaks down, that's what happens.
As soon as he gets in the postseason and just about every team has a solid defense where they can contain better, he's toast because he cant hurt them with passes in tight coverage.