I agreed with the article. The risk reward aspect of each hand/bet compares favorably to each trade you do. You don't win every trade or every hand but over the long term you must win more than you lose or you blow out you poker bankroll or your trading account.
He was a chemical engineer who HATED IT! Ended up switching jobs.
I am a chemcial engineer who HATES IT! Maybe I should be a professional gambler as well!