Well, you're wrong. This team doesn't have the cohesion, intelligence, drive of '16 (which to be fair was unprecedented in those respects).
Between the OL, the DE situation, aging at a number of speed- and quickness-sensitive positions, the loss of the 4-game rest period, the loss of Long and Bennett (and Ryan, and Blount), the uncertain Gronk durability, the unknown effect on chemistry of the unprecedented Gilmore contract (probably already hampering the DE search) not to mention Gilmore himself. Not enough genius new players, or experienced vets, for the complicated schemes to work this year. Not just on offense, think of all those DL shifts and fake blitzes in say the Ravens game. And let's face it, 5 was about something more than a trophy, the players were playing for something greater than themselves.