No "it" hasnt.
First, the Texans were a better defense this year than the Ravens.
The Broncos were a better defense last year than the Giants.
The only way your statement is correct is if your definition of 'good defense' is one that we lost to and 'bad defense' is one we defeated.
Once again, an argument that dismisses facts that don't support it is a weak argument.
You are now saying 'good defenses' that beat us, that werent really very good are better than ones that didn't beat us that were better, because you have decided its a scheme thing.
I'm sorry, but facts are facts. Taking one game, redefining things to suit your argument then overlooking the success the scheme has had over a long period of time is silly, so your illness is self-inflicted.
Umm, because that isn't what happened.
There is no trend. The team has lost 5 playoff games in 5 different situations against 5 different teams, in many cases with very different personell.
Everything is only OK when the team wins the SB, but not winning the SB doesn't mean your poor analysis of what went wrong is suddenly correct.