TV money, box money, trinket money, concession money , black-outs a rarity given all the NFL games per season...
With all this FA activity - forget the official date of the start of FA - have numerous owners come to the conclusion that it isn't worth the effort to field a winner? I'm reminded of the PGH pirates - 20 years out of the playoff, yet the ownership (even with poor attendance) laughed all the way to the bank.