I think it is both. IBM may missed the point in a big way. They were an slow corporation to market an OS home product. The PC became a home product and IBM was

I think it is both. IBM may missed the point in a big way. They were an slow corporation to market an OS home product. The PC became a home product and IBM was not ready to be on that kind of circus. But don't underestimate Microsoft. They went very hard to market Windows as home product and also as a server in corporations. But they also did some shady stuff. Read: https://www.quora.com/Why-did-IBMs-OS-2-project-lose-to-Microsoft-given-that-IBM-had-much-more-resources-than-Microsoft-at-that-time https://www.quora.com/Why-did-IBMs-OS-2-project-lose-to-Micr... And later with open source: - https://en.wikipedia.org/wiki/Halloween_documents https://en.wikipedia.org/wiki/Halloween_documents That's why young people today, don't understand older guys from the 90's that hate Microsoft. Microsoft was really evil that decade.