Ballmer's greatest failure was betting on Sinofsky. Elevating him forced a number of other great execs to eventually leave the company. It was bold and it was wrong.
Out of interest, which execs left? Also, under Sinofsky Windows 7 was shipped. That's significantly better than Vista, and still clasped to many-a-person's bossom in a cherished embrace as they refuse to upgrade to Windows 8 or 10.
allard, muglia, mundie, and lots at the baby VP level. The path windows 7 was on was largely sets before him. Windows 8, which was his baby led to him leaving the company.
