We had the 6th best pass efficiency defense last year, so I wouldn't say the secondary has been all that weak lately. Davie, Cockrell and Kalu all looked significantly better in 2014.
I fully recognize that trading coaches changed the emphasis of the defense. However, it's still shocking how much worse things look so far against the pass, particularly when we have almost all of the same players.
Like I said, I just don't like seeing the drop off in play blamed on a lack of talent. It's always easy to say that coaches need more talent to work with. Give any coach enough talent and eventually they'll win. The test of a coach is using what he's got to the best of their ability, and we've got a lot of players back from a 9 win team (that almost won two others). Let's not start acting like the new staff are working with scraps.