He may have made money on balance, but big money? Doubtful.
If the casino’s allowed people to win big consistently, they would soon be out of business.
The cliche ‘the house always wins’ is more than just a cliche.
And if nobody ever won they would also be out of business. It appears this video poker he was playing had better odds than blackjack, where I believe the house has about a 3% advantage. This is a bit offset by the fact that you can play a lot more hands of video poker in an hour than you can blackjack at the tables - and the more you play the more likely the odds will catch up with you.