I didn't interpret the article as just listing Mayer's faults. It also says decline is inevitable for all big companies, and the process is accelerated in tech

I didn't interpret the article as just listing Mayer's faults. It also says decline is inevitable for all big companies, and the process is accelerated in tech companies (like everything else in their lifecycle). Turnarounds are rare, and no choice of CEO would have made a difference for Yahoo.