It's theoretical money, because he used multiple subscription accounts that would have cost $400k in token pricing, if he were going via the API.

What the hell is "theoretical money"? It sounds like either OpenAI took the $400k hit, or their API pricing is utterly bonkers and therefore completely pointless to quote. It would be like me saying my car is worth $400k in theoretical money because, yeah, I'd totally sell it to you for $400k.