I'd trade places with Person A any time!
I'd trade places with Person A any time!
If what made him tick was a sense of purpose, of seeing the company he founded continue to grow there aren't many options apart from go back to the company, found a new one, or ??? Maybe option 2 is too much work, and without the carrot of a big payoff he'd lack the drive.
You'd happily trade places because you believe money buys happiness. This person has learnt it does not.
He touches on this in the article, he was interested in starting new projects but they went nowhere. So I am reading this as "no, he cannot just go do that", he is worried he only was able to do it the one time.
Which is not to say that the person with money can't then find additional problems, or use the money such that they reintroduce a class of problems.