The importance of continuity...

[BrudLee]

Three of the reasons for the coaching stability in Philly are that:
a) Jimmie Johnson is perceived as being too old to take a job,
b) Brad Childress is perceived as doing what Andy Reid tells him, and
c) most importantly, the Eagles have gone deep enough in the playoffs the past four years that most of the hiring is done by the time their coaches can be interviewed.