In Poker, especially in tournaments but over time in cash games as well, there will necessarily be more losers than winners. That's a fine outcome for a competitive environment, and a terrible outcome for an economic one. And because placement is based on willingness to play at certain stakes instead of skill rating, the entire system is designed to mismatch the skill of the participants over the long term.

Betting on probabilities is an entertaining way to adjust levels of confidence to reality. I just don't really like the idea of promoting gambling to children.