My phone buzzed me in the middle of the night for this... So I might as well respond.

When you go into gambling you full on agree to losing. It doesn't matter wether it's rigged or not.
And the roll system is random. I don't really know the algorithm behind it, but even if you roll a low number it doesn't decide the final outcome. The number is picked by a different factor each time.

To get unbanned you'll have to refund him the money.

My phone buzzed me in the middle of the night for this... So I might as well respond. When you go into gambling you full on agree to losing. It doesn't matter wether it's rigged or not. And the roll system is random. I don't really know the algorithm behind it, but even if you roll a low number it doesn't decide the final outcome. The number is picked by a different factor each time. To get unbanned you'll have to refund him the money.