Lots of good points in this thread.
We don't play a Cover-2 as our base. It's more of a Cover 3 although that's the very basic premise for one of the defenses we play.
I share some others concerns. This defense has weakness over the middle esp deep. And it takes good tackling to make it work properly. It doesn't care about yards but about points. It's designed to NOT give up big plays even without being in prevent. So I'm concerned about the middle even though I agree some of the problem was busted coverages, tackling not well enough at times, and playing with a huge lead. The latter doesn't explain it all. I haven't seen the coaches film so I can't comment on LB play in coverage or how well the safeties played.
While I agree that the DL played well I do agree in part with @
Risen Star about a problem with depth along the DL. We did appear a little gassed in the 4th and Ware was fairly well dealt with. Getting Spencer and Rat back would make a huge impact on rotation. I was impressed with them stopping the run, team speed on D, swarming to the ball, and creating turnovers.
I think it's safe to say we saw some improvements in the D as well as recognizing some issues to deal with in the coming weeks.