It changes the narrative from "I assure that we will do X and Y in your case" to "Here's what we have carried out for corporations like yours, and we can do it in your case, too." Think about it similar to a pleasant handshake plus a self-confident resume https://charlierrlea.thezenweb.com/the-smart-trick-of-hbr-case-study-analysis-that-nobody-is-discussing-68095605