This is what makes these discussions so frustrating.
The only thing everyone can accurately predict about this upcoming season is that no one can assuredly predict anything. Even the concept of "strength of schedule" is ridiculous because the team and circumstances which created last year's results are not the team and circumstances that will create this year's results.
Every team is one injury, one suspension, one accident, one baby or one death away from having their season altered.
There are some, however, who insist they know everything they need to know, if only to argue that they're right exclusively because you're wrong.
In the end, no one knows anything for certain, so worrying, bitching and whining about is a self-serving waste of time.