IBM could have had (something like) Windows. They famously misunderstood that they commoditized themselves out of the whole-PC market, and the truly big players

IBM could have had (something like) Windows. They famously misunderstood that they commoditized themselves out of the whole-PC market, and the truly big players to remain would be those to achieve mastery in creation of the components of the market. Like Intel and CPUs, or Microsoft and software.