It does to an extent but less so particularly from central government.
The tender is here [0], the approval process is usually pretty watertight. The contracts that go through this will have a paper trail. What you’ll likely find is that PWC has written a spec that meets the letter of the contract and they have delivered a site that meets the letter of their wording, which is what they’re good at. The fact that it didn’t actually solve the problem is inconsequential to PwC
The tender is here [0], the approval process is usually pretty watertight. The contracts that go through this will have a paper trail. What you’ll likely find is that PWC has written a spec that meets the letter of the contract and they have delivered a site that meets the letter of their wording, which is what they’re good at. The fact that it didn’t actually solve the problem is inconsequential to PwC
[0] https://www.find-tender.service.gov.uk/Notice/021898-2024