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>People underestimate how simple Windows everywhere made life for developers. Amazing documentation, stupid good tooling, and an obscenely stable platform to develop against. A major OS version came out what, once every 3 or 4 years? And unless you were writing drivers, that major OS version wasn't going to break anything.
I was doing this exact work during this time and things weren't that easy back then either. Does anyone remember DLL Hell[1]? Even if everyone was running Windows on an corporate machine, it was still more difficult to deploy new code than it is today. Being able to deploy the same code to a wide variety of different machines is a huge cost saver today.