Look at John Harbaugh. He was the Special Teams coach for Philly for 9 years. Looking at this link his special teams never really lite it up.
FOOTBALL OUTSIDERS: Innovative Statistics, Intelligent Analysis | 2005 SPECIAL TEAMS RATINGS
I think he is a pretty good HC now.
Maybe Barry has learn stuff from his last go around as DC, IDK.
None of us sat in on these interviews. Kind of hard to decide a hire when you didn't hear the interview.
Any who welcome aboard Joe, you got a lot of work to do, I wish you the best.