The only palpable defense of hiring them, as a practice, lies in the fact that they are big entities and there's implied trust. In my view reality has shown time and time again that big companies are a liability to individuals and other larger structures.
"And in May 2022, New York City stopped using McKinsey’s system for classifying detainees. In the end, the city spent $27.5 million on McKinsey’s services, with precious little to show for it. McKinsey, on the other hand, collected its money and moved right along."
https://www.thenation.com/article/society/mckinsey-whistlebl...
For those bored, wikipedia pages are a good starting point. I would be surprised if there were many, out of the top 100 consulting companies, that didn't have a controversies (or similar) section on their wiki page.
Some fun reading
"Rental car agency Hertz filed a $32 million lawsuit in April against consulting giant Accenture because it “failed to deliver the website and apps for which it was so generously paid.”" https://madeintandem.com/blog/massive-hertz-accenture-lawsui...
"Deloitte treated Marin County as little more than a "trial-and-error public sector training ground" for its inexperienced consultants, the lawsuit claimed." https://www.reuters.com/article/business/deloitte-hit-with-3...
"And in May 2022, New York City stopped using McKinsey’s system for classifying detainees. In the end, the city spent $27.5 million on McKinsey’s services, with precious little to show for it. McKinsey, on the other hand, collected its money and moved right along." https://www.thenation.com/article/society/mckinsey-whistlebl...
For those bored, wikipedia pages are a good starting point. I would be surprised if there were many, out of the top 100 consulting companies, that didn't have a controversies (or similar) section on their wiki page.
https://en.wikipedia.org/wiki/McKinsey_%26_Company#Controver...
https://en.wikipedia.org/wiki/Deloitte#Litigation_and_regula...
https://en.wikipedia.org/wiki/Accenture#Controversies