Today, wealth and technical innovations have separated quite a lot. A great programming language will make less money than the programs built upon it. I don't think this is entirely valid in the world of today, where open-source software is often some of the most innovative.
I'm not weighing in on the definition of "entrepreneur" here, just pointing out why NeXT isn't a counter example.
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If he had been unable to direct Apple in the direction he wanted after the reverse takeover, I doubt he would have accepted it.