While I have cited Bill Gates as a weaker contributor than Einstein/Gandhi, I think you are being far too critical here and missing a few key things. The fundamental insight that Bill Gates had was that software is king and the hardware is the add on. Even Steve Jobs credited Bill for the insight at D5. All other competing OSes at the time were a hardware and software bundle. Bill realized that what was of essence was the software and the hardware wasn't as important. He licensed the software and commoditized the hardware industry into a fierce race to the bottom that saw PC prices dropping every month. If Apple/Amiga had won that round we would be spending a couple of grand on a PC even to this day and poorer economies wouldn't have been able to afford computers as freely as they do now.