Steve Ballmer was an underrated CEO

Overall assessment of Ballmer’s tenure

  • Thread is sharply split: some see Ballmer as an underrated, effective “keep-the-lights-on” CEO; others consider him mediocre or disastrous.
  • Supporters emphasize strong profits, revenue growth, and the fact that many later wins (Azure, Office 365, Bing) began under his watch.
  • Critics point to flat stock price during his tenure, lost monopolies (Windows, IE), and multiple massive write‑offs and failed bets.

Foundations for later Microsoft successes

  • Many argue that Azure, Office 365, Bing, and even VS Code/TypeScript had their roots or early investment under Ballmer.
  • Counterpoint: others attribute Azure’s real success to later leaders (Nadella, Scott Guthrie) and note Azure originally launched as “Windows Azure” with a Windows-only mindset.
  • Some say Nadella “laid his own groundwork” while reporting to Ballmer.

Missed opportunities and product failures

  • Repeated themes: missing mobile despite early work (Windows Mobile, Kin, Nokia deal), deriding the iPhone, late or bungled app platform resets, and killing Windows Phone too late.
  • Other “losses” cited: dominance lost in browsers (IE→Chrome), media players, instant messaging, and consumer relevance of Windows.
  • Nokia and Skype acquisitions, the attempted Yahoo buy, and Kin are held up as emblematic missteps.

Culture and organizational issues

  • Multiple ex‑employees describe Ballmer-era Microsoft as toxic: stack ranking, internal turf wars, backstabbing, and protection of Windows above all else.
  • Some credit him with building an extremely strong enterprise sales and partner machine and navigating antitrust fallout.
  • Others say that same Windows‑first, sales‑led mindset stifled innovation and ecosystems (e.g., mobile, web, open source).

Nadella’s contrasting strategy

  • Widely seen as the pivot from “Windows everywhere” to “Microsoft everywhere”: cloud‑ and services‑first, cross‑platform (Linux on Azure, Office on iOS/macOS, GitHub, VS Code).
  • Debate over how much of Nadella’s success he “inherited” from Ballmer vs. created by changing strategy, culture, and openness to Linux/open source.
  • Some argue the consumer Windows experience degraded under Nadella (ads, telemetry, UX), even as the company’s financial and strategic position improved.

Antitrust and monopoly context

  • Several comments note that post‑antitrust constraints limited how aggressively Microsoft could extend the Windows monopoly (e.g., IE, kernel lockdown), complicating direct comparisons and “missed moat” arguments.