I just don't know if Brady can call a game where he adjusts to what defenses are doing to disrupt the Bills offensive flow. His stubbornness to run the ball when it isn't working and his predictable play calling is an issue. Pair that with receivers having separation issues getting open is a tough climb to overcome.
Its not just Brady. This defense still looks like a train wreck against the run and 3rd and long situations.
This team is capable of catching lightning in a bottle and has proven they can beat playoff caliber teams. But if they have to go on the road playing 3 games to get to the SB, oof... that's a tough task.