Re: What's implausible ...
Cease being surprised.^2
USA govt has gone a bit too far down the road of privatization. Have a look at all recent incidents and read them in detail from this perspective - starting from Snowden, going through this one and finishing with the Angst In Her Pants lady.
ALL CONTRACTORS.
More than half of the agencies workload especially in the infosec and development area is subcontracted and at least some of them definitely cut corners to increase margins.