The odds of beating 3 separate casinos, over a reasonable number of hands, even against a very low house edge, are quite small. No one is writing stories about

The odds of beating 3 separate casinos, over a reasonable number of hands, even against a very low house edge, are quite small. No one is writing stories about the millions of other high rollers who lost. It's entirely possible his outcome was driven entirely by chance alone. No card counting, no special expertise other than knowing the odds of the game. Just sheer luck. Unfortunately, that doesn't make for a very interesting read.