Isn't the main problem that the club relies too heavily and too solely on Johnson?
Even the best half in the world needs others around him to be running decent lines, executing different plays, creating space and chances on their own etc. The Cowboys had the "biggest underachievers" tag prior to 2015 for good reason. Lots of rep experience and lots of underwhelming performances and lengthy form slumps. What changed for them last year was Coote playing career-best football, Morgan being very good in the halves and the emergence of Granville at 9. Three players that consistently disrupted opposition defensive lines. Without the latter two, they wouldn't have won that grand final.
If Johnson is half the problem, then that says a hell of a lot about the coached aspects of our attack and the lack of influence our other attacking players are having on the game. Ideally, we want to be like the Roosters were last year - when they lost their halfback, little actually changed. They mostly still kept on winning without him.