After 4 Seasons, How Great is Doug Pederson & Jim Schwartz?

Doug Pederson and Jim Schwartz is the duo for the Philadelphia Eagles and has been for the last 4 seasons.
In Pederson's rookie season, the Birds wen't 7-9, but that doesn't hold too much stock and the Super Bowl run was absolutely magnificent, but the last 2 years were disappointing. He is a tremendous leader and that's something you can't teach.
I am not going to be satisfied if year in and year out we are talking about 4-6 or 5-7 records before digging out of a hole. How about they stop putting themselves in that position to begin with?
Jim Schwartz gets way too much hate as he is the ultimate scapegoat. With a roster that fits his scheme, he has the firepower to call fantastic games. He has been dealt brutal hands over the last couple seasons.