We interpret that to mean he's throwing the players under the bus, but he likewise could be holding the position coaches accountable. Hey dummies, you endorsed this decision and assured me we could do this, but not we are shitting the bed.
A thought has occurred to me that Mickens could be sabotaging Ash, at least with respect to DB play and fundamentals such as tackling. I recognize the problems extend well beyond that.
Also agree with your point that effective changes is as much about managing the change as it as about the quality of the decision with respect to the change itself.