My theory is that I don't care. Really, there are better things in the series to speculate about.
Besides, there actually is nothing in the game of Proxy having medical capabilities, and wouldn't be able to get reconstructive whatever without any money.
"Grant Allen [...] had written a book about the Evolution of the Idea of God. [...] it would be much more interesting if God wrote a book about the evolution of the idea of Grant Allen." ~ G. K. Chesterton, The Everlasting Man