He's making random claims of websites changing the win-chance when a user switches his bet-size and that websites (primarily Just-Dice) gives users different odds based on their IP address.
What? So 'provably fair' is only 'provably fair' sometimes? You mean like if the casino operator is honest, then its fair? So wait..I thought you subscribe to this concept because it gives the customer an assurance they had a chance of winning?? But it doesnt really does it..
How many other operators manipulate this 'provably fair' system but hide behind it, do you know?