The second thought about Yahoo not having made it concerns the company’s own self-inflicted wounds. Mayer said Tuesday the company needed to simplify itself. But that’s after she took a hopelessly complicated company and made it more complicated with a blitz of acquisitions, product re-shuffling, and confusing acronyms. To her credit, she gave it the college try, and the board of directors wanted an Internet product expert, not a financial engineer, as CEO.