The easier route is to find fault and blow things up. If you can't follow Rex's mantra that things are never as good as they seem and conversely, never as bad as they seem you can hold perspective. To claim the entire team has regressed outside of a handful of players in my opinion, is absurd. This league is extremely competitive and every year brings new challenges and forces teams to addapt on the fly. I don't think going into this season the Jets could plug all the holes exposed by opponents. I think it's a two-year climb back to Super Bowl contention and key injuries have hurt this season.
I could paint an equally optimistic picture for the future but I don't have the time right now.