Back at university I had a chance to attend a guest lecture given by chairman of huge public telco company and he stated something like "you are not paying cons

Back at university I had a chance to attend a guest lecture given by chairman of huge public telco company and he stated something like "you are not paying consultants to bring new ideas, but to let them sign your ideas so in case something went wrong you have somebody to blame". Of course, this was different type of consulting than what Patio11 did, but there are a lot of different kind of consultants.