Part 1 of 3. Some are lying. Most never have to, because they are paid by the vendor whose product they are recommending and nobody has to tell you. The tells that say you are being sold to rather than engineered for, and what never makes it onto the shortlist.
Part 2 of 3. What actually gets built once the paperwork is signed: cloud for a business with one building, the box they will not be talked out of, the basics that were the thing you bought, and the agent on every machine that answers to somebody else’s console.
Part 3 of 3. Response times instead of outcomes, a liability cap set at the fees you already paid, and a provider whose excuses eventually arrive at you. The questions that flush it out, what a genuine one does instead, and what it takes to get rid of a bad one.