There’s no party. If it works he’ll sell a bunch of them. If he can’t sell any it will have been a fraud. Let the market decide.
I imagine the first batch will have to sold way below cost to entice someone to try an unproven technology.
If I was an evil person, which I am not, I could have hit the guy up with some code words to get a cut of marks I bring him.
Then I could have come here and be a shill.
I bet I could have got him to admit everything to me.
If there is a working technology, the first units are the most expensive. They will try to fit niche markets and recoup their costs, price decreases follow as improvement in production and economies of scale kick in. For example, the cell phone in the 80’s and even the solid oxide fuel cells that are just entering the markets now.