By the way, another downside of the occupation is that it's completely useless for the humanity in general and your income will come from people that shouldn't be playing the game in the first place.

In Hunting Fish, A Cross-Country Search for America's Worst Poker Players, Jay Greenspan conceives of the poker world as a giant inverted pyramid, with the fishiest (i.e., least skilled) players at the top pouring money down the pyramid toward the most skilled players at the bottom, such as Doyle Brunson and Phil Ivey.