[nerderloo]

Market disruption is the key difference. We now know how CPU operate and it's almost taken as a commodity.

Before Telsa, nobody thoughts electric cars were ready for road. Before SpaceX, I don't think anyone tried reusable rocket thingy. The thing is when you come up with a radically new idea, you have to know enough about it to convince others to work on it.

Steve Jobs knew enough about computer(and general idea of programming) to sell it, and Bill Gates was once a good programmer. Intel, nVidia founder were also chip engineers.