If you want to learn more about MSFT during Ballmer era, i highly recommend the acquired podcast: https://www.acquired.fm/episodes/microsoft-volume-ii They come to the same conclusion as Dan - that Ballmer did a ton of things right and he was actually a much better CEO than the credit he's given today. Part 1 of the podcast focuses on Bill Gates' era - both episodes are super engaging, the research and preparation th…
I thought their pro-Ballmer angle was interesting at the time too (it was the first long-form defense of his tenure that I had heard), but I wasn't sure how much of that was due to him being a primary source for the podcast's material.