When I was an independant contractor at the Rural Payments Agency:
I bemoaned load and often that Accenture had basically fitted little more than a faucet into the government coffers to be turned on and off at will.
Unsurprisingly, I wasn't overly popular with senior RPA management - they did keep renewing my contract though, I assume because I (like most of the other independent IT contractors) was actually delivering value.
I have to add that there were a small number of Accenture staff who managed to both give a damn and be competent - but this was utterly not representative.
I will never forget being told by a senior RPA manager that I had to realise that the 'solution' was only one part of the 'contract'; and the 'contract' was the authoritative bit. That's how incompetent they were - this civil servant manager - who kept getting promoted - could not comprehend that her precious contract ONLY existed to facilitate the implementation of a functioning, workable solution.
I can kind of excuse the incompetence of RPA's management - to an extent - it wasn't malicious, just tragic (AFAIK - one Accenture guy once told me [+ one other independant consultant] he was very uncomfortable with something he had learnt about the way the programme was being controlled at the Accenture end, but wouldn't be specific).
But Accenture could not have not known what they were doing - it often seemed they were determined to put in systems and components that seemed virtually designed to guarantee future complex change requests, when it would take LESS time and LESS development to support the necessary options from the start.
As final proof - I offer that they resisted, HARD, ever utilising or delivering a data dictionary of any sort, for a long long time - and when they finally did, it was a useless, incomplete, retrospective document - that they charged a fortune for.
Sad :-(
The above are solely my opinions and impressions, informed from being engaged by the RPA for several years of mind numbing frustration. I used to think that if the chance ever appeared to see Accenture dragged into court and sued by HM Govt for what they did, I'd document as much as I could to help see them pay for what they did. These days, I can barely be arsed writing these posts every once in a while when the topic cycles through the news again.
Oh, and please, there are a lot of hard-working civil-servants at the RPA, who don't deserved to be knocked as being 'jobsworthies' or the like - they are just powerless against the culture.