Earlier quoted context omitted.
Paul's wife has a huge financial stake in OpenAI, so I suspect massive success there has softened his opinion.
These are donations. How that becomes investment / financial stakes? (It is a question, since how the transition to capped-profit left a lot of questions unanswered).
And they can also resell those "shares" to other people, at whatever prices people are willing to pay for them.
The only restriction is there is a 100x cap on return. So if you paid 1 billion for your "shares", once they've returned you 100 billion as a profit percentage, or by reselling the "shares" to other people, you can't make anymore money for the profit sharing.
But if you still have "shares", you can still sell them to others at whatever price they want.
So for example, say I buy 100 shares worth 100$ each. That's worth 10k total. My cap is thus at 1 million.
Say there are 1000 shares total, that means I'm owed 10% of the profit OpenAI makes. But after making 1 million, it stops and I'm not owed anymore profit.
That said, I still have 100 "shares". They just stop returning me a percentage of the profit. But I can sell those shares to someone else at whatever price they want. So I could sell them to someone else at 200$ each. And the person that receives them is now owed profit from the percentage of share he owns up to their own cap, which for them would be based on a 200$ price, so they can make a profit return up to 100x of 200$.