This whole Tomlin Doctrine of avoiding the MOF because "that's where turnovers happen" and "Don't Kill Us" with the QBs has become the single most fly in the ointment and stench following him. 30 years ago the MOF was reserved for big receivers like Sterling Sharpe, Michael Irvin, Al Toon, Jerry Rice-types whereas now you can send your 5'10 185 lb WR across the middle knowing he can't get rocked without a flag. The league is built to use this part of the field.
Tomlin has done inversely what only hererofore Deion could do to NFL offenses -- he has taken away 1/3 of the field or more for the defense in his zeal to shorten the games, limit tipped passes and turnovers, keep first half timeouts in his pocket, and scratch out 16-15 victories in the 4th quarter.
Unless Tomlin shows signs of change this year on this front, it's going to be again the same show every week regardless of QB and the biggest reason he should be fired as philosophically he's an anachronism and ill-suited for modern football.
He's the overarching and ever-present buzz-kill for any seeming progress with coaching or personnel additions. Nothing changes unless Tomlin himself evolves. Little evidence that will happen.