Hmmm, I just read through that thread. It's very interesting but I have to disagree with the whole concept of assuming that the worlds most intelligent people could/would be world class poker players after 2 years of training.
Perhaps they would be world class theorists of the game and maybe even winning high stakes players but that's not the same as being world class players.
There are emotional attributes required as well as mental abilities.
For example I'm sure a genius like Mozart (although I accept he wasn't on the original list) would probably exercise terrible bankroll management